The CIA World Factbook Edition 1996 Geography

Terrain In 36 editions of 36.

Terrain was published in 36 editions of the CIA World Factbook, from 1990 to 2025. The 1996 edition carries it in 266 entries, in its Geography section. Every entry is shown as that edition published it.

entries in the 1996 edition
266
the first edition with it
1990
the latest edition with it
2025

Published as “Terrain” (1990 to 2025).

the entry has the field in that editionnot in that editionthe open editionEach entry below ends in its editions with Terrain, 1990 to 2025. Point at a year above to follow it down; choose one in a row to read that edition’s text there.

Entries with Terrain in each edition

19902000201020202025

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World

1 entry

World

the greatest ocean depth is the Marianas Trench at 10,924 m in the Pacific Ocean

lowest point:
Dead Sea -408 m
highest point:
Mount Everest 8,848 m

Africa

62 entries

Algeria

  • mostly high plateau and desert;
  • some mountains;
  • narrow, discontinuous coastal plain
lowest point:
Chott Melrhir -40 m
highest point:
Tahat 3,003 m

Angola

narrow coastal plain rises abruptly to vast interior plateau

lowest point:
Atlantic Ocean 0 m
highest point:
Moro de Moco 2,620 m

Bassas da India

a volcanic rock 2.4 meters high

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 3 m

Benin

mostly flat to undulating plain; some hills and low mountains

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Tanekas 641 m

Botswana

predominately flat to gently rolling tableland; Kalahari Desert in southwest

lowest point:
junction of the Limpopo and Shashe Rivers 513 m
highest point:
Tsodilo Hill 1,489 m

Burkina Faso

mostly flat to dissected, undulating plains; hills in west and southeast

lowest point:
Black Volta River 200 m
highest point:
Tena Kourou 749 m

Burundi

  • hilly and mountainous,
  • dropping to a plateau in east,
  • some plains
lowest point:
Lake Tanganyika 772 m
highest point:
Mount Heha 2,760 m

Cape Verde now Cabo Verde

  • steep,
  • rugged,
  • rocky,
  • volcanic
lowest point:
Atlantic Ocean 0 m
highest point:
Pico 2,829 m

Cameroon

  • diverse,
  • with coastal plain in southwest,
  • dissected plateau in center,
  • mountains in west,
  • plains in north
lowest point:
Atlantic Ocean 0 m
highest point:
Fako 4,095 m

Central African Republic

  • vast,
  • flat to rolling,
  • monotonous plateau;
  • scattered hills in northeast and southwest
lowest point:
Oubangui River 335 m
highest point:
Mount Gaou 1,420 m

Chad

  • broad,
  • arid plains in center,
  • desert in north,
  • mountains in northwest,
  • lowlands in south
lowest point:
Djourab Depression 175 m
highest point:
Emi Koussi 3,415 m

Comoros

volcanic islands, interiors vary from steep mountains to low hills

lowest point:
Indian Ocean 0 m
highest point:
Mount Kartala 2,360 m

Zaire now Democratic Republic of the Congo

vast central basin is a low-lying plateau; mountains in east

lowest point:
Atlantic Ocean 0 m
highest point:
Margherita Peak (Mount Stanley) 5,110 m

Congo now Republic of the Congo

  • coastal plain,
  • southern basin,
  • central plateau,
  • northern basin
lowest point:
Atlantic Ocean 0 m
highest point:
Mount Berongou 903 m

Cote d'Ivoire

mostly flat to undulating plains; mountains in northwest

lowest point:
Atlantic Ocean 0 m
highest point:
Mont Nimba 1,752 m

Djibouti

coastal plain and plateau separated by central mountains

lowest point:
Asal -155 m
highest point:
Mousa Alli 2,028 m

Egypt

vast desert plateau interrupted by Nile valley and delta

lowest point:
Qattara Depression -133 m
highest point:
Mount Catherine 2,629 m

Equatorial Guinea

coastal plains rise to interior hills; islands are volcanic

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Malabo 3,008 m

Eritrea

dominated by extension of Ethiopian north-south trending highlands, descending on the east to a coastal desert plain, on the northwest to hilly terrain and on the southwest to flat-to-rolling plains

lowest point:
Kobar Sink -75 m
highest point:
Soira 3,013 m

Swaziland now Eswatini

mostly mountains and hills; some moderately sloping plains

lowest point:
Great Usutu River 21 m
highest point:
Emlembe 1,862 m

Ethiopia

high plateau with central mountain range divided by Great Rift Valley

lowest point:
Denakil -125 m
highest point:
Ras Dashen Terara 4,620 m

Europa Island

NA

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 24 m

Gabon

  • narrow coastal plain;
  • hilly interior;
  • savanna in east and south
lowest point:
Atlantic Ocean 0 m
highest point:
Mont Iboundji 1,575 m

The Gambia

flood plain of the Gambia River flanked by some low hills

lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location 53 m

Ghana

mostly low plains with dissected plateau in south-central area

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Afadjato 880 m

Glorioso Islands

NA

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 12 m

Guinea

generally flat coastal plain, hilly to mountainous interior

lowest point:
Atlantic Ocean 0 m
highest point:
Mont Nimba 1,752 m

Guinea-Bissau

mostly low coastal plain rising to savanna in east

lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location in the northeast corner of the country 300 m

Juan de Nova Island

NA

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 10 m

Kenya

low plains rise to central highlands bisected by Great Rift Valley; fertile plateau in west

lowest point:
Indian Ocean 0 m
highest point:
Mount Kenya 5,199 m

Lesotho

mostly highland with plateaus, hills, and mountains

lowest point:
junction of the Orange and Makhaleng Rivers 1,400 m
highest point:
Mount Thabana Ntlenyana 3,482 m

Liberia

mostly flat to rolling coastal plains rising to rolling plateau and low mountains in northeast

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Wuteve 1,380 m

Libya

  • mostly barren,
  • flat to undulating plains,
  • plateaus,
  • depressions
lowest point:
Sabkhat Ghuzayyil -47 m
highest point:
Bikku Bitti 2,267 m

Madagascar

narrow coastal plain, high plateau and mountains in center

lowest point:
Indian Ocean 0 m
highest point:
Maromokotro 2,876 m

Malawi

  • narrow elongated plateau with rolling plains,
  • rounded hills,
  • some mountains
lowest point:
junction of the Shire River and international boundary with Mozambique 37 m
highest point:
Mount Mlanje Sapitwa 3,002 m

Mali

mostly flat to rolling northern plains covered by sand; savanna in south, rugged hills in northeast

lowest point:
Senegal River 23 m
highest point:
Hombori Tondo 1,155 m

Mauritania

mostly barren, flat plains of the Sahara; some central hills

lowest point:
Sebkha de Ndrhamcha -3 m
highest point:
Kediet Ijill 910 m

Mauritius

small coastal plain rising to discontinuous mountains encircling central plateau

lowest point:
Indian Ocean 0 m
highest point:
Piton de la Petite Riviere Noire 828 m

Mayotte

generally undulating, with deep ravines and ancient volcanic peaks

lowest point:
Indian Ocean 0 m
highest point:
Benara 660 m

Morocco

northern coast and interior are mountainous with large areas of bordering plateaus, intermontane valleys, and rich coastal plains

lowest point:
Sebkha Tah -55 m
highest point:
Jebel Toubkal 4,165 m

Mozambique

  • mostly coastal lowlands,
  • uplands in center,
  • high plateaus in northwest,
  • mountains in west
lowest point:
Indian Ocean 0 m
highest point:
Monte Binga 2,436 m

Namibia

  • mostly high plateau;
  • Namib Desert along coast;
  • Kalahari Desert in east
lowest point:
Atlantic Ocean 0 m
highest point:
Konigstein 2,606 m

Niger

  • predominately desert plains and sand dunes;
  • flat to rolling plains in south;
  • hills in north
lowest point:
Niger River 200 m
highest point:
Mont Greboun 1,944 m

Nigeria

southern lowlands merge into central hills and plateaus; mountains in southeast, plains in north

lowest point:
Atlantic Ocean 0 m
highest point:
Chappal Waddi 2,419 m

Reunion

mostly rugged and mountainous; fertile lowlands along coast

lowest point:
Indian Ocean 0 m
highest point:
Piton des Neiges 3,069 m

Rwanda

mostly grassy uplands and hills; relief is mountainous with altitude declining from west to east

lowest point:
Rusizi River 950 m
highest point:
Volcan Karisimbi 4,519 m

Saint Helena now Saint Helena, Ascension, and Tristan da Cunha

rugged, volcanic; small scattered plateaus and plains

lowest point:
Atlantic Ocean 0 m
highest point:
Queen Mary's Peak 2,060 m

Sao Tome and Principe

volcanic, mountainous

lowest point:
Atlantic Ocean 0 m
highest point:
Pico de Sao Tome 2,024 m

Senegal

  • generally low,
  • rolling,
  • plains rising to foothills in southeast
lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location in the Futa Jaldon foothills 581 m

Seychelles

  • Mahe Group is granitic,
  • narrow coastal strip,
  • rocky,
  • hilly;
  • others are coral,
  • flat,
  • elevated reefs
lowest point:
Indian Ocean 0 m
highest point:
Morne Seychellois 905 m

Sierra Leone

  • coastal belt of mangrove swamps,
  • wooded hill country,
  • upland plateau,
  • mountains in east
lowest point:
Atlantic Ocean 0 m
highest point:
Loma Mansa (Bintimani) 1,948 m

Somalia

mostly flat to undulating plateau rising to hills in north

lowest point:
Indian Ocean 0 m
highest point:
Shimbiris 2,450 m

South Africa

vast interior plateau rimmed by rugged hills and narrow coastal plain

lowest point:
Atlantic Ocean 0 m
highest point:
Njesuthi 3,408 m

Sudan

generally flat, featureless plain; mountains in east and west

lowest point:
Red Sea 0 m
highest point:
Kinyeti 3,187 m

Tanzania

  • plains along coast;
  • central plateau;
  • highlands in north, south
lowest point:
Indian Ocean 0 m
highest point:
Kilimanjaro 5,895 m

Togo

  • gently rolling savanna in north;
  • central hills;
  • southern plateau;
  • low coastal plain with extensive lagoons and marshes
lowest point:
Atlantic Ocean 0 m
highest point:
Pic Baumann 986 m

Tromelin Island

sandy

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 7 m

Tunisia

  • mountains in north;
  • hot, dry central plain;
  • semiarid south merges into the Sahara
lowest point:
Shatt al Gharsah -17 m
highest point:
Jabal ash Shanabi 1,544 m

Uganda

mostly plateau with rim of mountains

lowest point:
Lake Albert 621 m
highest point:
Margherita (Mount Stanley) 5,110 m

Western Sahara

mostly low, flat desert with large areas of rocky or sandy surfaces rising to small mountains in south and northeast

lowest point:
Sebjet Tah -55 m
highest point:
unnamed location 463 m

Zambia

mostly high plateau with some hills and mountains

lowest point:
Zambezi river 329 m
highest point:
in Mafinga Hills 2,301 m

Zimbabwe

mostly high plateau with higher central plateau (high veld); mountains in east

lowest point:
junction of the Lundi and Savi rivers 162 m
highest point:
Inyangani 2,592 m

Antarctic Region

5 entries

Antarctica

  • about 98% thick continental ice sheet and 2% barren rock, with average elevations between 2,000 and 4,000 meters;
  • mountain ranges up to about 5,000 meters;
  • ice-free coastal areas include parts of southern Victoria Land, Wilkes Land, the Antarctic Peninsula area, and parts of Ross Island on McMurdo Sound;
  • glaciers form ice shelves along about half of the coastline, and floating ice shelves constitute 11% of the area of the continent
lowest point:
Indian Ocean 0 m
highest point:
Vinson Massif 5,140 m

Bouvet Island

  • volcanic;
  • maximum elevation about 800 meters;
  • coast is mostly inaccessible
lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location 780 m

French Southern and Antarctic Lands

volcanic

lowest point:
Indian Ocean 0 m
highest point:
Mont Ross on Kerguelen 1,850 m

Heard Island and McDonald Islands

Heard Island - bleak and mountainous, with a quiescent volcano; McDonald Islands - small and rocky

lowest point:
Indian Ocean 0 m
highest point:
Big Ben 2,745 m

South Georgia and the South Sandwich Islands

  • most of the islands, rising steeply from the sea, are rugged and mountainous;
  • South Georgia is largely barren and has steep, glacier-covered mountains;
  • the South Sandwich Islands are of volcanic origin with some active volcanoes
lowest point:
Atlantic Ocean 0 m
highest point:
Mount Paget 2,915 m

Arctic Region

4 entries

Greenland

  • flat to gradually sloping icecap covers all but a narrow,
  • mountainous,
  • barren,
  • rocky coast
lowest point:
Atlantic Ocean 0 m
highest point:
Gunnbjorn 3,700 m

Iceland

mostly plateau interspersed with mountain peaks, icefields; coast deeply indented by bays and fiords

lowest point:
Atlantic Ocean 0 m
highest point:
Hvannadalshnukur 2,119 m

Jan Mayen

volcanic island, partly covered by glaciers

lowest point:
Norwegian Sea 0 m
highest point:
Haakon VII Toppen (Beerenberg) 2,277 m

Svalbard

  • wild, rugged mountains;
  • much of high land ice covered;
  • west coast clear of ice about one-half of the year;
  • fjords along west and north coasts
lowest point:
Arctic Ocean 0 m
highest point:
Newtontoppen 1,717 m

Asia

23 entries

Afghanistan

mostly rugged mountains; plains in north and southwest

lowest point:
Amu Darya 258 m
highest point:
Nowshak 7,485 m

Armenia

  • high Armenian Plateau with mountains;
  • little forest land;
  • fast flowing rivers;
  • good soil in Aras River valley lowest point: Debed River 400 m highest point: Aragats Lerr 4,095 m

Azerbaijan

  • large, flat Kur-Araz Lowland (much of it below sea level) with Great Caucasus Mountains to the north, Qarabag (Karabakh) Upland in west;
  • Baku lies on Abseron (Apsheron) Peninsula that juts into Caspian Sea
lowest point:
Caspian Sea -28 m
highest point:
Bazarduzu Dagi 4,485 m

Bangladesh

mostly flat alluvial plain; hilly in southeast

lowest point:
Indian Ocean 0 m
highest point:
Reng Tlang 957 m

Bhutan

mostly mountainous with some fertile valleys and savanna

lowest point:
Dangme Chu 97 m
highest point:
Khula Kangri I 7,553 m

British Indian Ocean Territory

flat and low (up to four meters in elevation)

lowest point:
Indian Ocean 0 m
highest point:
unnamed location on Diego Garcia 15 m

China

mostly mountains, high plateaus, deserts in west; plains, deltas, and hills in east

lowest point:
Turpan Pendi -154 m
highest point:
Mount Everest 8,848 m

Georgia

  • largely mountainous with Great Caucasus Mountains in the north and Lesser Caucasus Mountains in the south;
  • Kolkhida Lowland opens to the Black Sea in the west;
  • Mtkvari River Basin in the east;
  • good soils in river valley flood plains, foothills of Kolkhida Lowland
lowest point:
Black Sea 0 m
highest point:
Mt'a Mqinvartsveri (Gora Kazbek) 5,048 m

India

  • upland plain (Deccan Plateau) in south,
  • flat to rolling plain along the Ganges,
  • deserts in west,
  • Himalayas in north
lowest point:
Indian Ocean 0 m
highest point:
Kanchenjunga 8,598 m

Japan

mostly rugged and mountainous

lowest point:
Hachiro-gata -4 m
highest point:
Fujiyama 3,776 m

Kazakstan now Kazakhstan

extends from the Volga to the Altai Mountains and from the plains in western Siberia to oasis and desert in Central Asia

lowest point:
Vpadina Kaundy -132 m
highest point:
Zhengis Shingy 7,439 m

Korea, North now North Korea

  • mostly hills and mountains separated by deep,
  • narrow valleys;
  • coastal plains wide in west,
  • discontinuous in east
lowest point:
Sea of Japan 0 m
highest point:
Paektu-san 2,744 m

Korea, South now South Korea

mostly hills and mountains; wide coastal plains in west and south

lowest point:
Sea of Japan 0 m
highest point:
Halla-san 1,950 m

Kyrgyzstan

peaks of Tien Shan and associated valleys and basins encompass entire nation

lowest point:
Kara-Daryya 132 m
highest point:
Jengish Chokusu 7,439 m

Maldives

flat

lowest point:
Indian Ocean 0 m
highest point:
unnamed location on Wilingili 24 m

Mongolia

  • vast semidesert and desert plains;
  • mountains in west and southwest;
  • Gobi Desert in southeast
lowest point:
Hoh Nuur 518 m
highest point:
Nayramadlin Orgil 4,374 m

Nepal

  • Terai or flat river plain of the Ganges in south,
  • central hill region,
  • rugged Himalayas in north
lowest point:
Kanchan Kalan 70 m
highest point:
Mount Everest 8,848 m

Pakistan

  • flat Indus plain in east;
  • mountains in north and northwest;
  • Balochistan plateau in west
lowest point:
Indian Ocean 0 m
highest point:
K2 (Mt. Godwin-Austen) 8,611 m

Russia

  • broad plain with low hills west of Urals;
  • vast coniferous forest and tundra in Siberia;
  • uplands and mountains along southern border regions
lowest point:
Caspian Sea -28 m
highest point:
Mount El'brus 5,633 m

Sri Lanka

mostly low, flat to rolling plain; mountains in south-central interior

lowest point:
Indian Ocean 0 m
highest point:
Pidurutalagala 2,524 m

Tajikistan

Pamir and Altai Mountains dominate landscape; western Fergana Valley in north, Kofarnihon and Vakhsh Valleys in southwest

lowest point:
Syrdariya 300 m
highest point:
Qullai Kommunizm 7,495 m

Turkmenistan

  • flat-to-rolling sandy desert with dunes rising to mountains in the south;
  • low mountains along border with Iran;
  • borders Caspian Sea in west
lowest point:
Sarygamysh Koli -110 m
highest point:
Ayrybaba 3,139 m

Uzbekistan

  • mostly flat-to-rolling sandy desert with dunes;
  • broad, flat intensely irrigated river valleys along course of Amu Darya and Sirdaryo;
  • Fergana Valley in east surrounded by mountainous Tajikistan and Kyrgyzstan;
  • shrinking Aral Sea in west
lowest point:
Saryqamish Kuli -12 m
highest point:
Adelunga Toghi 4,301 m

Central America and the Caribbean

32 entries

Anguilla

flat and low-lying island of coral and limestone

lowest point:
Caribbean Sea 0 m
highest point:
Crocus Hill 65 m

Antigua and Barbuda

mostly low-lying limestone and coral islands with some higher volcanic areas

lowest point:
Caribbean Sea 0 m
highest point:
Boggy Peak 402 m

Aruba

flat with a few hills; scant vegetation

lowest point:
Caribbean Sea 0 m
highest point:
Mount Jamanota 188 m

The Bahamas

long, flat coral formations with some low rounded hills

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Alvernia 63 m

Barbados

relatively flat; rises gently to central highland region

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Hillaby 336 m

Belize

flat, swampy coastal plain; low mountains in south

lowest point:
Caribbean Sea 0 m
highest point:
Victoria Peak 1,160 m

British Virgin Islands

coral islands relatively flat; volcanic islands steep, hilly

lowest point:
Caribbean Sea 0 m
highest point:
Mount Sage 521 m

Cayman Islands

low-lying limestone base surrounded by coral reefs

lowest point:
Caribbean Sea 0 m
highest point:
The Bluff 43 m

Costa Rica

coastal plains separated by rugged mountains

lowest point:
Pacific Ocean 0 m
highest point:
Cerro Chirripo 3,810 m

Cuba

mostly flat to rolling plains with rugged hills and mountains in the southeast

lowest point:
Caribbean Sea 0 m
highest point:
Pico Turquino 2,005 m

Dominica

rugged mountains of volcanic origin

lowest point:
Caribbean Sea 0 m
highest point:
Morne Diablatins 1,447 m

Dominican Republic

rugged highlands and mountains with fertile valleys interspersed

lowest point:
Lago Enriquillo -46 m
highest point:
Pico Duarte 3,175 m

El Salvador

mostly mountains with narrow coastal belt and central plateau

lowest point:
Pacific Ocean 0 m
highest point:
Cerro El Pital 2,730 m

Grenada

volcanic in origin with central mountains

lowest point:
Caribbean Sea 0 m
highest point:
Mount Saint Catherine 840 m

Guadeloupe

  • Basse-Terre is volcanic in origin with interior mountains;
  • Grand-Terre is low limestone formation;
  • most of the seven other islands are volcanic in origin
lowest point:
Caribbean Sea 0 m
highest point:
Soufriere 1,467 m

Guatemala

mostly mountains with narrow coastal plains and rolling limestone plateau (Peten)

lowest point:
Pacific Ocean 0 m
highest point:
Volcan Tajumulco 4,211 m

Haiti

mostly rough and mountainous

lowest point:
Caribbean Sea 0 m
highest point:
Chaine de la Selle 2,680 m

Honduras

mostly mountains in interior, narrow coastal plains

lowest point:
Caribbean Sea 0 m
highest point:
Cerro Las Minas 2,870 m

Jamaica

mostly mountains with narrow, discontinuous coastal plain

lowest point:
Caribbean Sea 0 m
highest point:
Blue Mountain Peak 2,256 m

Martinique

mountainous with indented coastline; dormant volcano

lowest point:
Caribbean Sea 0 m
highest point:
Montagne Pelee 1,397 m

Montserrat

  • volcanic islands,
  • mostly mountainous,
  • with small coastal lowland
lowest point:
Caribbean Sea 0 m
highest point:
Chances Peak 914 m

Navassa Island

raised coral and limestone plateau, flat to undulating; ringed by vertical white cliffs (9 to 15 meters high)

lowest point:
Caribbean Sea 0 m
highest point:
unnamed location on southwest side 77 m

Netherlands Antilles

generally hilly, volcanic interiors

lowest point:
Caribbean Sea 0 m
highest point:
Mount Scenery 862 m

Nicaragua

extensive Atlantic coastal plains rising to central interior mountains; narrow Pacific coastal plain interrupted by volcanoes

lowest point:
Pacific Ocean 0 m
highest point:
Mogoton 2,438 m

Panama

  • interior mostly steep,
  • rugged mountains and dissected,
  • upland plains;
  • coastal areas largely plains and rolling hills
lowest point:
Pacific Ocean 0 m
highest point:
Volcan de Chiriqui 3,475 m

Puerto Rico

  • mostly mountains with coastal plain belt in north;
  • mountains precipitous to sea on west coast;
  • sandy beaches along most coastal areas
lowest point:
Caribbean Sea 0 m
highest point:
Cerro de Punta 1,338 m

Saint Kitts and Nevis

volcanic with mountainous interiors

lowest point:
Caribbean Sea 0 m
highest point:
Mount Liamuiga 1,156 m

Saint Lucia

volcanic and mountainous with some broad, fertile valleys

lowest point:
Caribbean Sea 0 m
highest point:
Mount Gimie 950 m

Saint Vincent and the Grenadines

volcanic, mountainous

lowest point:
Caribbean Sea 0 m
highest point:
Soufriere 1,234 m

Trinidad and Tobago

mostly plains with some hills and low mountains

lowest point:
Caribbean Sea 0 m
highest point:
El Cerro del Aripo 940 m

Turks and Caicos Islands

low, flat limestone; extensive marshes and mangrove swamps

lowest point:
Caribbean Sea 0 m
highest point:
Blue Hills 49 m

Virgin Islands

mostly hilly to rugged and mountainous with little level land

lowest point:
Caribbean Sea 0 m
highest point:
Crown Mountain 474 m

Europe

46 entries

Albania

mostly mountains and hills; small plains along coast

lowest point:
Adriatic Sea 0 m
highest point:
Maja e Korabit 2,753 m

Andorra

rugged mountains dissected by narrow valleys

lowest point:
Riu Valira 840 m
highest point:
Coma Pedrosa 2,946 m

Austria

in the west and south mostly mountains (Alps); along the eastern and northern margins mostly flat or gently sloping

lowest point:
Neusiedler See 115 m
highest point:
Grossglockner 3,797 m

Belarus

generally flat and contains much marshland

lowest point:
Nyoman River 90 m
highest point:
Dzyarzhynskaya Hara 346 m

Belgium

  • flat coastal plains in northwest,
  • central rolling hills,
  • rugged mountains of Ardennes Forest in southeast
lowest point:
North Sea 0 m
highest point:
Signal de Botrange 694 m

Bosnia and Herzegovina

mountains and valleys

lowest point:
Adriatic Sea 0 m
highest point:
Maglic 2,386 m

Bulgaria

mostly mountains with lowlands in north and southeast

lowest point:
Black Sea 0 m
highest point:
Musala 2,925 m

Croatia

geographically diverse; flat plains along Hungarian border, low mountains and highlands near Adriatic coast, coastline, and islands

lowest point:
Adriatic Sea 0 m
highest point:
Dinara 1,830 m

Czech Republic now Czechia

Bohemia in the west consists of rolling plains, hills, and plateaus surrounded by low mountains; Moravia in the east consists of very hilly country

lowest point:
Elbe River 115 m
highest point:
Snezka 1,602 m

Denmark

low and flat to gently rolling plains

lowest point:
Lammefjord -7 m
highest point:
Ejer Bavnehoj 173 m

Estonia

marshy, lowlands

lowest point:
Baltic Sea 0 m
highest point:
Suur Munamagi 318 m

Faroe Islands

  • rugged,
  • rocky,
  • some low peaks;
  • cliffs along most of coast
lowest point:
Atlantic Ocean 0 m
highest point:
Slaettaratindur 882 m

Finland

mostly low, flat to rolling plains interspersed with lakes and low hills

lowest point:
Baltic Sea 0 m
highest point:
Haltiatunturi 1,328 m

France

mostly flat plains or gently rolling hills in north and west; remainder is mountainous, especially Pyrenees in south, Alps in east

lowest point:
Rhone River delta -2 m
highest point:
Mont Blanc 4,807 m

Germany

  • lowlands in north,
  • uplands in center,
  • Bavarian Alps in south
lowest point:
Freepsum Lake -2 m
highest point:
Zugspitze 2,962 m

Gibraltar

a narrow coastal lowland borders the Rock of Gibraltar

lowest point:
Mediterranean Sea 0 m
highest point:
Rock of Gibraltar 426 m

Greece

mostly mountains with ranges extending into sea as peninsulas or chains of islands lowest point: Mediterranean Sea 0 m highest point: Mount Olympus 2,917 m

Guernsey

mostly level with low hills in southwest

lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location on Sark 114 m

Holy See (Vatican City)

low hill

lowest point:
unnamed location 19 m
highest point:
unnamed location 75 m

Hungary

mostly flat to rolling plains; hills and low mountains on the Slovakian border

lowest point:
Tisza River 78 m
highest point:
Kekes 1,014 m

Ireland

mostly level to rolling interior plain surrounded by rugged hills and low mountains; sea cliffs on west coast

lowest point:
Atlantic Ocean 0 m
highest point:
Carrauntoohill 1,041 m

Man, Isle of now Isle of Man

hills in north and south bisected by central valley

lowest point:
Irish Sea 0 m
highest point:
Snaefell 620 m

Italy

mostly rugged and mountainous; some plains, coastal lowlands

lowest point:
Mediterranean Sea 0 m
highest point:
Mont Blanc 4,807 m

Jersey

gently rolling plain with low, rugged hills along north coast

lowest point:
Atlantic Ocean 0 m
highest point:
unnamed location 143 m

Latvia

low plain

lowest point:
Baltic Sea 0 m
highest point:
Gaizinkalns 312 m

Liechtenstein

mostly mountainous (Alps) with Rhine Valley in western third

lowest point:
Ruggleller Riet 430 m
highest point:
Grauspitz 2,599 m

Lithuania

  • lowland,
  • many scattered small lakes,
  • fertile soil
lowest point:
Baltic Sea 0 m
highest point:
Juozapine Kalnas 292 m

Luxembourg

  • mostly gently rolling uplands with broad, shallow valleys;
  • uplands to slightly mountainous in the north;
  • steep slope down to Moselle floodplain in the southeast lowest point: Moselle River 133 m highest point: Burgplatz 559 m

Malta

mostly low, rocky, flat to dissected plains; many coastal cliffs lowest point: Mediterranean Sea 0 m highest point: Dingli Cliffs 245 m

Moldova

rolling steppe, gradual slope south to Black Sea

lowest point:
Nistru River 2 m
highest point:
Mount Balaneshty 430 m

Monaco

hilly, rugged, rocky lowest point:
Mediterranean Sea 0 m highest point: Mont Agel 140 m

Netherlands

mostly coastal lowland and reclaimed land (polders); some hills in southeast

lowest point:
Prins Alexanderpolder -7 m
highest point:
Vaalserberg 321 m

Macedonia, The Former Yugoslav Republic of now North Macedonia

  • mountainous territory covered with deep basins and valleys;
  • there are three large lakes, each divided by a frontier line;
  • country bisected by the Vardar River
lowest point:
Vardar River 50 m
highest point:
Korab 2,753 m

Norway

  • glaciated;
  • mostly high plateaus and rugged mountains broken by fertile valleys;
  • small, scattered plains;
  • coastline deeply indented by fjords;
  • arctic tundra in north
lowest point:
Norwegian Sea 0 m
highest point:
Glittertinden 2,472 m

Poland

mostly flat plain; mountains along southern border

lowest point:
Raczki Elblaskie -2 m
highest point:
Rysy 2,499 m

Portugal

mountainous north of the Tagus, rolling plains in south

lowest point:
Atlantic Ocean 0 m
highest point:
Ponta do Pico in Azores 2,351 m

Romania

central Transylvanian Basin is separated from the Plain of Moldavia on the east by the Carpathian Mountains and separated from the Walachian Plain on the south by the Transylvanian Alps

lowest point:
Black Sea 0 m
highest point:
Moldoveanu 2,544 m

San Marino

rugged mountains

lowest point:
Fiume Ausa 55 m
highest point:
Monte Titano 749 m

Serbia and Montenegro

  • extremely varied;
  • to the north, rich fertile plains;
  • to the east, limestone ranges and basins;
  • to the southeast, ancient mountain and hills;
  • to the southwest, extremely high shoreline with no islands off the coast
lowest point:
Adriatic Sea 0 m
highest point:
Daravica 2,656 m

Slovakia

rugged mountains in the central and northern part and lowlands in the south

lowest point:
Bodrok River 94 m
highest point:
Gerlachovka 2,655 m

Slovenia

  • a short coastal strip on the Adriatic,
  • an alpine mountain region adjacent to Italy,
  • mixed mountain and valleys with numerous rivers to the east
lowest point:
Adriatic Sea 0 m
highest point:
Triglav 2,864 m

Spain

large, flat to dissected plateau surrounded by rugged hills; Pyrenees in north

lowest point:
Atlantic Ocean 0 m
highest point:
Pico de Teide on Canary Islands 3,718 m

Sweden

mostly flat or gently rolling lowlands; mountains in west

lowest point:
Baltic Sea 0 m
highest point:
Kebnekaise 2,111 m

Switzerland

mostly mountains (Alps in south, Jura in northwest) with a central plateau of rolling hills, plains, and large lakes

lowest point:
Lake Maggiore 195 m
highest point:
Dufourspitze 4,634 m

Ukraine

most of Ukraine consists of fertile plains (steppes) and plateaux, mountains being found only in the west (the Carpathians), and in the Crimean Peninsula in the extreme south

lowest point:
Black Sea 0 m
highest point:
Hora Hoverla 2,061 m

United Kingdom

mostly rugged hills and low mountains; level to rolling plains in east and southeast

lowest point:
Fenland -4 m
highest point:
Ben Nevis 1,343 m

Middle East

17 entries

Bahrain

mostly low desert plain rising gently to low central escarpment

lowest point:
Persian Gulf 0 m
highest point:
Jabal ad Dukhan 122 m

Cyprus

central plain with mountains to north and south; scattered but significant plains along southern coast

lowest point:
Mediterranean Sea 0 m
highest point:
Olympus 1,952 m

Gaza Strip

flat to rolling, sand- and dune-covered coastal plain

lowest point:
Mediterranean Sea 0 m
highest point:
Abu 'Awdah (Joz Abu 'Auda) 105 m

Iran

  • rugged, mountainous rim;
  • high, central basin with deserts, mountains;
  • small, discontinuous plains along both coasts
lowest point:
Caspian Sea -28 m
highest point:
Qolleh-ye Damavand 5,671 m

Iraq

  • mostly broad plains;
  • reedy marshes along Iranian border in south;
  • mountains along borders with Iran and Turkey
lowest point:
Persian Gulf 0 m
highest point:
Gundah Zhur 3,608 m

Israel

  • Negev desert in the south;
  • low coastal plain;
  • central mountains;
  • Jordan Rift Valley
lowest point:
Dead Sea -408 m
highest point:
Har Meron 1,208 m

Jordan

mostly desert plateau in east, highland area in west; Great Rift Valley separates East and West Banks of the Jordan River

lowest point:
Dead Sea -408 m
highest point:
Jabal Ram 1,754 m

Kuwait

flat to slightly undulating desert plain

lowest point:
Persian Gulf 0 m
highest point:
unnamed location 306 m

Lebanon

narrow coastal plain; Al Biqa' (Bekaa Valley) separates Lebanon and Anti-Lebanon Mountains

lowest point:
Mediterranean Sea 0 m
highest point:
Jabal al Makmal 3,087 m

Oman

vast central desert plain, rugged mountains in north and south

lowest point:
Arabian Sea 0 m
highest point:
Jabal ash Sham 2,980 m

Qatar

mostly flat and barren desert covered with loose sand and gravel

lowest point:
Persian Gulf 0 m
highest point:
Qurayn Aba al Bawl 103 m

Saudi Arabia

mostly uninhabited, sandy desert

lowest point:
Persian Gulf 0 m
highest point:
Jabal Sawda' 3,133 m

Syria

  • primarily semiarid and desert plateau;
  • narrow coastal plain;
  • mountains in west
lowest point:
unnamed location near Lake Tiberias -200 m
highest point:
Mount Hermon 2,814 m

Turkey now Turkiye

  • mostly mountains;
  • narrow coastal plain;
  • high central plateau (Anatolia)
lowest point:
Mediterranean Sea 0 m
highest point:
Mount Ararat 5,166 m

United Arab Emirates

flat, barren coastal plain merging into rolling sand dunes of vast desert wasteland; mountains in east

lowest point:
Persian Gulf 0 m
highest point:
Jabal Yibir 1,527 m

West Bank

  • mostly rugged dissected upland,
  • some vegetation in west,
  • but barren in east
lowest point:
Dead Sea -408 m
highest point:
Tall Asur 1,022 m

Yemen

  • narrow coastal plain backed by flat-topped hills and rugged mountains;
  • dissected upland desert plains in center slope into the desert interior of the Arabian Peninsula
lowest point:
Arabian Sea 0 m
highest point:
Jabal an Nabi Shu'ayb 3,760 m

North America

6 entries

Bermuda

low hills separated by fertile depressions

lowest point:
Atlantic Ocean 0 m
highest point:
Town Hill 76 m

Canada

mostly plains with mountains in west and lowlands in southeast

lowest point:
Atlantic Ocean 0 m
highest point:
Mount Logan 5,950 m

Clipperton Island

coral atoll

lowest point:
Pacific Ocean 0 m
highest point:
Rocher Clipperton 21 m

Mexico

high, rugged mountains, low coastal plains, high plateaus, and desert

lowest point:
Laguna Salada -10 m
highest point:
Volcan Pico de Orizaba 5,700 m

Saint Pierre and Miquelon

mostly barren rock

lowest point:
Atlantic Ocean 0 m
highest point:
Morne de la Grande Montagne 240 m

United States

  • vast central plain, mountains in west, hills and low mountains in east;
  • rugged mountains and broad river valleys in Alaska;
  • rugged, volcanic topography in Hawaii
lowest point:
Death Valley -86 m
highest point:
Mount McKinley 6,194 m

Oceania

34 entries

American Samoa

five volcanic islands with rugged peaks and limited coastal plains, two coral atolls (Rose Island, Swains Island)

lowest point:
Pacific Ocean 0 m
highest point:
Lata 966 m

Australia

mostly low plateau with deserts; fertile plain in southeast

lowest point:
Lake Eyre -15 m
highest point:
Mount Kosciusko 2,229 m

Baker Island

low, nearly level coral island surrounded by a narrow fringing reef

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 8 m

Cook Islands

low coral atolls in north; volcanic, hilly islands in south

lowest point:
Pacific Ocean 0 m
highest point:
Te Manga 652 m

Coral Sea Islands

sand and coral reefs and islands (or cays)

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location on Cato Island 6 m

Fiji

mostly mountains of volcanic origin

lowest point:
Pacific Ocean 0 m
highest point:
Tomanivi 1,324 m

French Polynesia

mixture of rugged high islands and low islands with reefs

lowest point:
Pacific Ocean 0 m
highest point:
Mount Orohena 2,241 m

Guam

  • volcanic origin, surrounded by coral reefs;
  • relatively flat coralline limestone plateau (source of most fresh water) with steep coastal cliffs and narrow coastal plains in north, low-rising hills in center, mountains in south
lowest point:
Pacific Ocean 0 m
highest point:
Mount Lamlam 406 m

Howland Island

  • low-lying,
  • nearly level,
  • sandy,
  • coral island surrounded by a narrow fringing reef;
  • depressed central area
lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 3 m

Jarvis Island

sandy, coral island surrounded by a narrow fringing reef

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 23 m

Johnston Atoll

mostly flat

lowest point:
Pacific Ocean 0 m
highest point:
Summit Peak 5 m

Kingman Reef

low and nearly level

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 1 m

Kiribati

mostly low-lying coral atolls surrounded by extensive reefs

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location on Banaba 81 m

Marshall Islands

low coral limestone and sand islands

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location on Likiep 10 m

Micronesia, Federated States of now Federated States of Micronesia

islands vary geologically from high mountainous islands to low, coral atolls; volcanic outcroppings on Pohnpei, Kosrae, and Truk

lowest point:
Pacific Ocean 0 m
highest point:
Totolom 791 m

Midway Islands

low, nearly level

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 4 m

Nauru

sandy beach rises to fertile ring around raised coral reefs with phosphate plateau in center

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location along plateau rim 61 m

New Caledonia

coastal plains with interior mountains

lowest point:
Pacific Ocean 0 m
highest point:
Mont Panie 1,628 m

New Zealand

predominately mountainous with some large coastal plains

lowest point:
Pacific Ocean 0 m
highest point:
Mount Cook 3,764 m

Niue

steep limestone cliffs along coast, central plateau

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location near Mutalau settlement 68 m

Norfolk Island

volcanic formation with mostly rolling plains

lowest point:
Pacific Ocean 0 m
highest point:
Mount Bates 319 m

Northern Mariana Islands

southern islands are limestone with level terraces and fringing coral reefs; northern islands are volcanic

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location on Agrihan 965 m

Palau

  • varying geologically from the high,
  • mountainous main island of Babelthuap to low,
  • coral islands usually fringed by large barrier reefs
lowest point:
Pacific Ocean 0 m
highest point:
Mount Ngerchelchauus 242 m

Palmyra Atoll

very low

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 2 m

Papua New Guinea

mostly mountains with coastal lowlands and rolling foothills

lowest point:
Pacific Ocean 0 m
highest point:
Mount Wilhelm 4,509 m

Pitcairn Islands

rugged volcanic formation; rocky coastline with cliffs

lowest point:
Pacific Ocean 0 m
highest point:
Pawala Valley Ridge 347 m

Western Samoa now Samoa

  • narrow coastal plain with volcanic,
  • rocky,
  • rugged mountains in interior
lowest point:
Pacific Ocean 0 m
highest point:
Mauga Silisili 1,857 m

Solomon Islands

mostly rugged mountains with some low coral atolls

lowest point:
Pacific Ocean 0 m
highest point:
Mount Makarakomburu 2,447 m

Tokelau

coral atolls enclosing large lagoons

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 5 m

Tonga

most islands have limestone base formed from uplifted coral formation; others have limestone overlying volcanic base

lowest point:
Pacific Ocean 0 m
highest point:
on Kao Island 1,033 m

Tuvalu

very low-lying and narrow coral atolls lowest point:
Pacific Ocean 0 m highest point: unnamed location 5 m

Vanuatu

mostly mountains of volcanic origin; narrow coastal plains

lowest point:
Pacific Ocean 0 m
highest point:
Mount Tabwemasana 1,877 m

Wake Island

atoll of three coral islands built up on an underwater volcano; central lagoon is former crater, islands are part of the rim

lowest point:
Pacific Ocean 0 m
highest point:
unnamed location 6 m

Wallis and Futuna

volcanic origin; low hills

lowest point:
Pacific Ocean 0 m
highest point:
Mount Singavi 765 m

South America

14 entries

Argentina

  • rich plains of the Pampas in northern half,
  • flat to rolling plateau of Patagonia in south,
  • rugged Andes along western border
lowest point:
Salinas Chicas -40 m
highest point:
Cerro Aconcagua 6,962 m

Bolivia

  • rugged Andes Mountains with a highland plateau (Altiplano),
  • hills,
  • lowland plains of the Amazon Basin
lowest point:
Rio Paraguay 90 m
highest point:
Cerro Illimani 6,882 m

Brazil

mostly flat to rolling lowlands in north; some plains, hills, mountains, and narrow coastal belt

lowest point:
Atlantic Ocean 0 m
highest point:
Pico da Neblina 3,014 m

Chile

  • low coastal mountains;
  • fertile central valley;
  • rugged Andes in east
lowest point:
Pacific Ocean 0 m
highest point:
Cerro Aconcagua 6,962 m

Colombia

  • flat coastal lowlands,
  • central highlands,
  • high Andes Mountains,
  • eastern lowland plains
lowest point:
Pacific Ocean 0 m
highest point:
Nevado del Huila 5,750 m

Ecuador

coastal plain (costa), inter-Andean central highlands (sierra), and flat to rolling eastern jungle (oriente)

lowest point:
Pacific Ocean 0 m
highest point:
Chimborazo 6,267 m

Falkland Islands (Islas Malvinas)

  • rocky,
  • hilly,
  • mountainous with some boggy,
  • undulating plains
lowest point:
Atlantic Ocean 0 m
highest point:
Mount Usborne 705 m

French Guiana

low-lying coastal plains rising to hills and small mountains

lowest point:
Atlantic Ocean 0 m
highest point:
Bellevue de l'Inini 851 m

Guyana

  • mostly rolling highlands;
  • low coastal plain;
  • savanna in south
lowest point:
Atlantic Ocean 0 m
highest point:
Mount Roraima 2,835 m

Paraguay

  • grassy plains and wooded hills east of Rio Paraguay;
  • Gran Chaco region west of Rio Paraguay mostly low, marshy plain near the river, and dry forest and thorny scrub elsewhere
lowest point:
junction of Rio Paraguay and Rio Parana 46 m
highest point:
Cerro San Rafael 850 m

Peru

  • western coastal plain (costa),
  • high and rugged Andes in center (sierra),
  • eastern lowland jungle of Amazon Basin (selva)
lowest point:
Pacific Ocean 0 m
highest point:
Nevado Huascaran 6,768 m

Suriname

mostly rolling hills; narrow coastal plain with swamps

lowest point:
unnamed location in the coastal plain -2 m
highest point:
Wilhelmina Gebergte 1,286 m

Uruguay

mostly rolling plains and low hills; fertile coastal lowland

lowest point:
Atlantic Ocean 0 m
highest point:
Cerro Catedral 514 m

Venezuela

  • Andes Mountains and Maracaibo Lowlands in northwest;
  • central plains (llanos);
  • Guiana Highlands in southeast lowest point: Caribbean Sea 0 m highest point: Pico Bolivar (La Columna) 5,007 m

Southeast Asia

18 entries

Ashmore and Cartier Islands

low with sand and coral

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 3 m

Brunei

flat coastal plain rises to mountains in east; hilly lowland in west

lowest point:
South China Sea 0 m
highest point:
Bukit Pagon 1,850 m

Burma now Burma (Myanmar)

central lowlands ringed by steep, rugged highlands

lowest point:
Andaman Sea 0 m
highest point:
Hkakabo Razi 5,881 m

Cambodia

mostly low, flat plains; mountains in southwest and north

lowest point:
Gulf of Thailand 0 m
highest point:
Phnum Aoral 1,810 m

Christmas Island

steep cliffs along coast rise abruptly to central plateau

lowest point:
Indian Ocean 0 m
highest point:
Murray Hill 361 m

Cocos (Keeling) Islands

flat, low-lying coral atolls

lowest point:
Indian Ocean 0 m
highest point:
unnamed location 5 m

Hong Kong

hilly to mountainous with steep slopes; lowlands in north

lowest point:
South China Sea 0 m
highest point:
Tai Mo Shan 958 m

Indonesia

mostly coastal lowlands; larger islands have interior mountains

lowest point:
Indian Ocean 0 m
highest point:
Puncak Jaya 5,030 m

Laos

mostly rugged mountains; some plains and plateaus

lowest point:
Mekong River 70 m
highest point:
Phou Bia 2,817 m

Macau

generally flat

lowest point:
South China Sea 0 m
highest point:
Coloane Alto 174 m

Malaysia

coastal plains rising to hills and mountains

lowest point:
Indian Ocean 0 m
highest point:
Mount Kinabalu 4,100 m

Paracel Islands

NA

lowest point:
South China Sea 0 m
highest point:
unnamed location on Rocky Island 14 m

Philippines

mostly mountains with narrow to extensive coastal lowlands

lowest point:
Philippine Sea 0 m
highest point:
Mount Apo 2,954 m

Singapore

lowland; gently undulating central plateau contains water catchment area and nature preserve

lowest point:
Singapore Strait 0 m
highest point:
Bukit Timah 166 m

Spratly Islands

flat

lowest point:
South China Sea 0 m
highest point:
unnamed location on Southwest Cay 4 m

Taiwan

eastern two-thirds mostly rugged mountains; flat to gently rolling plains in west

lowest point:
South China Sea 0 m
highest point:
Yu Shan 3,997 m

Thailand

  • central plain;
  • Khorat Plateau in the east;
  • mountains elsewhere
lowest point:
Gulf of Thailand 0 m
highest point:
Doi Inthanon 2,576 m

Vietnam

  • low, flat delta in south and north;
  • central highlands;
  • hilly, mountainous in far north and northwest
lowest point:
South China Sea 0 m
highest point:
Ngoc Linh 3,143 m

Oceans

4 entries

Arctic Ocean

  • central surface covered by a perennial drifting polar icepack that averages about 3 meters in thickness, although pressure ridges may be three times that size;
  • clockwise drift pattern in the Beaufort Gyral Stream, but nearly straight line movement from the New Siberian Islands (Russia) to Denmark Strait (between Greenland and Iceland);
  • the icepack is surrounded by open seas during the summer, but more than doubles in size during the winter and extends to the encircling land masses;
  • the ocean floor is about 50% continental shelf (highest percentage of any ocean) with the remainder a central basin interrupted by three submarine ridges (Alpha Cordillera, Nansen Cordillera, and Lomonsov Ridge)
lowest point:
Fram Basin -4,665 m
highest point:
sea level 0 m

Atlantic Ocean

  • surface usually covered with sea ice in Labrador Sea, Denmark Strait, and Baltic Sea from October to June;
  • clockwise warm water gyre (broad, circular system of currents) in the northern Atlantic, counterclockwise warm water gyre in the southern Atlantic;
  • the ocean floor is dominated by the Mid-Atlantic Ridge, a rugged north-south centerline for the entire Atlantic basin
lowest point:
Puerto Rico Trench -8,605 m
highest point:
sea level 0 m

Indian Ocean

  • surface dominated by counterclockwise gyre (broad, circular system of currents) in the southern Indian Ocean;
  • unique reversal of surface currents in the northern Indian Ocean;
  • low atmospheric pressure over southwest Asia from hot, rising, summer air results in the southwest monsoon and southwest-to-northeast winds and currents, while high pressure over northern Asia from cold, falling, winter air results in the northeast monsoon and northeast-to-southwest winds and currents;
  • ocean floor is dominated by the Mid-Indian Ocean Ridge and subdivided by the Southeast Indian Ocean Ridge, Southwest Indian Ocean Ridge, and Ninety East Ridge
lowest point:
Java Trench -7,258 m
highest point:
sea level 0 m

Pacific Ocean

  • surface currents in the northern Pacific are dominated by a clockwise, warm-water gyre (broad circular system of currents) and in the southern Pacific by a counterclockwise, cool-water gyre;
  • in the northern Pacific, sea ice forms in the Bering Sea and Sea of Okhotsk in winter;
  • in the southern Pacific, sea ice from Antarctica reaches its northernmost extent in October;
  • the ocean floor in the eastern Pacific is dominated by the East Pacific Rise, while the western Pacific is dissected by deep trenches, including the Marianas Trench, which is the world's deepest
lowest point:
Marianas Trench -10,924 m
highest point:
sea level 0 m

Cite this page

Central Intelligence Agency. The World Factbook 1996, “Terrain”, all entries. Archived by The Factbook, thefactbook.org/fields/terrain/1996.

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