Geography of French Guiana
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French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas department/region and single territorial collectivity of France on the northern Atlantic coast of South America in the Guianas. ...
is an overseas region of France, located on the northern coast of South America between Suriname and Brazil. The country is part of
Caribbean South America Caribbean South America is a subregion of South America consisting of the countries that border the Caribbean Sea: Colombia and Venezuela. By extension, The Guianas, while not bordering the Caribbean Sea directly, are commonly reckoned with t ...
and borders the
North Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe an ...
. It has low-lying plains with small mountains to the south. Its climate is split between tropical rainforest and tropical monsoon. French Guiana is mostly unsettled and has low land use. French Guiana is situated on the northeast coast of South America between 2° and 5° latitude north and covers an area of 35,135 square miles. It is separated from Surinam (Dutch Guiana) by the
Maroni River The Maroni or Marowijne (french: link=no, Maroni, nl, Marowijne, Sranan Tongo: ''Marwina-Liba'') is a river in South America that forms the border between French Guiana and Suriname. Course The Maroni runs through the Guianan moist fores ...
and two of its tributaries, the Aoua and Itany, in the west, and from Brazil by the Tumuc Humac Mountains in the south and the
Oyapock River The Oyapock or Oiapoque (; ; ) is a long river in South America that forms most of the border between the French overseas department of French Guiana and the Brazilian state of Amapá. Course The Oyapock runs through the Guianan moist fores ...
in the east. Its 200-mile Atlantic coastline is bordered by several rocky islands – the
Iles du Salut The Salvation Islands (french: Îles du Salut, so called because the missionaries went there to escape plague on the mainland; sometimes mistakenly called Safety Islands) are a group of small islands of volcanic origin about off the coast of Fre ...
(Devil's Island, Royale and Saint-Joseph), the Père and Mère Islands, Malingre Island and Rémire Island, and the two Connétables—which are all part of French Guiana.


Statistics


Area

Total: 91,000 km2
Land: 89,150 km2
Water: 1,850 km2


Land boundaries

Total: 1,183 km
Border countries: Brazil 673 km, Suriname 510 km (disputed)
Coastline: 378 km


Maritime claims

Exclusive economic zone: territorial sea: .


Land use

Arable land: 0%
Other: 10% (1996 est.)
Irrigated land: 20 km2 (1993 est.)
Geography – note: mostly an unsettled wilderness.


Natural resources

Bauxite Bauxite is a sedimentary rock with a relatively high aluminium content. It is the world's main source of aluminium and gallium. Bauxite consists mostly of the aluminium minerals gibbsite (Al(OH)3), boehmite (γ-AlO(OH)) and diaspore (α-AlO ...
, timber, gold (widely scattered),
cinnabar Cinnabar (), or cinnabarite (), from the grc, κιννάβαρι (), is the bright scarlet to brick-red form of mercury(II) sulfide (HgS). It is the most common source ore for refining elemental mercury and is the historic source for the bri ...
,
kaolin Kaolinite ( ) is a clay mineral, with the chemical composition Al2 Si2 O5( OH)4. It is an important industrial mineral. It is a layered silicate mineral, with one tetrahedral sheet of silica () linked through oxygen atoms to one octahedral ...
, fish, shrimp, rice, bananas.


Climate

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas department/region and single territorial collectivity of France on the northern Atlantic coast of South America in the Guianas. ...
's climate is tropical and hot with a
Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, notabl ...
of
tropical rainforest Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm – and may also be referred to as ''lowland equa ...
(A''f'') throughout most of the country. Heavy showers, severe thunderstorms, and floodings are frequent, as is intense heat and humidity. Although French Guiana is very close to the equator, the trade winds which blow almost the year round refresh the coastal region and prevent the formation of great tropical storms. The annual mean temperature on the coast is 80° Fahrenheit. There are two principal seasons: “summer" from July to December and the "rainy season” the rest of the year, broken only by a Short “March Summer.”


Terrain

French Guiana extends almost 250 miles into the continent and is divided into two natural zones: a small, low, swampy coastal area called the “Terres Basses,” varying from ten to thirty miles in width, and a granite
peneplain 390px, Sketch of a hypothetical peneplain formation after an orogeny. In geomorphology and geology, a peneplain is a low-relief plain formed by protracted erosion. This is the definition in the broadest of terms, albeit with frequency the usage ...
called the "Terres Hautes," worn down by erosion into steps forming a series of low steep hills. Almost the entire country is covered by rain forest and its many large rivers and streams, although their courses are broken by rapids, constitute the only natural means of penetration into the interior. The main rivers, flowing in a general south-north direction, are the Maroni, the
Mana According to Melanesian and Polynesian mythology, ''mana'' is a supernatural force that permeates the universe. Anyone or anything can have ''mana''. They believed it to be a cultivation or possession of energy and power, rather than being ...
, the Iracoubo, the
Sinnamary Sinnamary is a town and commune on the coast of French Guiana, between Kourou and Iracoubo. Sinnamary was the second France, French settlement founded in French Guiana: the town was founded in 1664. Sinnamary lies on the Sinnamary River and is ...
, the
Kourou Kourou () is a commune in French Guiana, an overseas region and department of France in South America. Kourou is famous for being the location of the Guiana Space Centre, the main spaceport of France and the European Space Agency (ESA). It i ...
, the Mahury, the Approuague and the
Oyapock The Oyapock or Oiapoque (; ; ) is a long river in South America that forms most of the border between the French overseas department of French Guiana and the Brazilian state of Amapá. Course The Oyapock runs through the Guianan moist fores ...
.


Extreme Points

* Northernmost point – Pointe Isère * Southernmost point – border with Brazil,
Maripasoula Maripasoula, previously named Upper Maroni, is a commune of French Guiana, an overseas region and department of France located in South America. With a land area of , Maripasoula is the largest commune of France. Geography The Lawa and Maron ...
* Westernmost point – disputed, see France–Suriname relations ** assuming France's claim: tripoint with Suriname and Brazil,
Maripasoula Maripasoula, previously named Upper Maroni, is a commune of French Guiana, an overseas region and department of France located in South America. With a land area of , Maripasoula is the largest commune of France. Geography The Lawa and Maron ...
** assuming Suriname's claim: point on Maroni,
Apatou Apatou is a commune in French Guiana, an overseas region and department of France in South America. Apatou is home to Maroons of the Aluku, Paramacca, Ndyuka, and Saramaka tribes. History The town of Apatou was founded in 1882 as Moutendé ...
* Easternmost point – mouth of
Oyapock The Oyapock or Oiapoque (; ; ) is a long river in South America that forms most of the border between the French overseas department of French Guiana and the Brazilian state of Amapá. Course The Oyapock runs through the Guianan moist fores ...
, Saint-Georges commune (but near the village of Ouanary) * Highest point – Bellevue de l'Inini: 851 m * Lowest point – Atlantic Ocean: 0 m


See also

*
Geography of Suriname Suriname is located in the northern part of South America and is part of Caribbean South America, bordering the North Atlantic Ocean, between French Guiana and Guyana. It is mostly covered by tropical rainforest, containing a great diversity ...
*
Guiana Shield The Guiana Shield (french: Plateau des Guyanes, Bouclier guyanais; nl, Hoogland van Guyana, Guianaschild; pt, Planalto das Guianas, Escudo das Guianas; es, Escudo guayanés) is one of the three cratons of the South American Plate. It is a ...


References

{{South America topic, Climate of