This is a list of rivers in French Guiana .
This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name.
The St. Lawrence River is a large river in the middle latitudes of North America. Its headwaters begin flowing from Lake Ontario in a (roughly) northeasterly direction, into the Gulf of St. Lawrence, connecting the American Great Lakes to the North Atlantic Ocean, and forming the primary drainage outflow of the Great Lakes Basin. The river traverses the Canadian provinces of Ontario and Quebec, as well as the U.S. state of New York, and demarcates part of the international boundary between Canada and the United States. It also provides the foundation for the commercial St. Lawrence Seaway.
Minganie is a regional county municipality in the Côte-Nord region of Quebec, Canada. It includes Anticosti Island. Its seat is Havre-Saint-Pierre.
Sept-Rivières is a regional county municipality of Quebec, Canada, in the Côte-Nord region. Its county seat is Sept-Îles.
The Oyapock or Oiapoque is a 403-kilometre (250 mi) 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.
Saint-Georges is a commune of French Guiana, an overseas region and department of France located in South America. It lies on the Oyapock River, opposite the Brazilian town of Oiapoque. The town contains a town hall, a French Foreign Legion detachment, and some hotels. Saint-Georges has been one of the three sub-prefectures of French Guiana and the seat of the Arrondissement of Saint-Georges since October 2022.
Iracoubo is a commune on the coast of French Guiana, an overseas region and department of France located in South America].
Sinnamary is a town and commune on the coast of French Guiana, between Kourou and Iracoubo. Sinnamary was the second French settlement founded in French Guiana: the town was founded in 1664.
The arrondissement of Basse-Terre is an arrondissement of France in the Guadeloupe department in the Guadeloupe region. It has 18 communes. Its population is 189,210 (2016), and its area is 854.3 km2 (329.8 sq mi).
The Litani or Itany is a river which forms part of the boundary between Suriname and French Guiana. It is a tributary, or the upper course, of the Maroni. The boundary is disputed, with Suriname also claiming land to the east of the river.
The Waki is a river in western French Guiana. It is a right tributary of the Tampok. It is 147 km (91 mi) long. The river has its source as the confluence of the southern Grande Waki which has its source in the Arawa Mountains, and the northern Petite Waki which has its source in the Sommet Tabulaire.
The Inini or Grand Inini is a river in western French Guiana. It is a tributary of the Lawa, the upper course of the Maroni. The river is 215 km (134 mi) long and non-navigable. The Inini is the only major river in French Guiana which runs east to west, unlike the other major rivers which run south to north. In the beginning of the 20th century, it was the site of a gold rush, and the gold prospectors have become active in the region again since the 1990s. The Inini territory which has existed between 1930 and 1946 was named after this river.
The Bresle is a river in the northwest of France that flows into the English Channel at Le Tréport. It crosses the departements of Oise, Somme and Seine-Maritime. It is 68.1 km (42.3 mi) long.
The Lawa is a river of South America. It forms part of the international boundary between Suriname and French Guiana. It is formed by the confluence of the Litani and Malani. Downstream from its confluence with the Tapanahony, it is called Maroni. The total length of Litani, Lawa and Maroni is 612 km (380 mi). Important tributaries are the Tampok, Inini and Grand Abounami.
Lac-Ashuapmushuan is an unorganized territory in the Canadian province of Quebec, Canada, located in the regional county municipality of Le Domaine-du-Roy. The region had a population of 140 as of the Canada 2021 Census, and covered a land area of 14,684.28 km2. It is home to the Ashuapmushuan Wildlife Reserve.
Surinamese Maroons are the descendants of enslaved Africans that escaped from the plantations and settled in the inland of Suriname and French Guiana. The Surinamese Maroon culture is one of the best-preserved pieces of cultural heritage outside of Africa. Colonial warfare, land grabs, natural disasters and migration have marked Maroon history. In Suriname six Maroon groups -or tribes- can be distinguished from each other.
The Olomane River is a river in the Côte-Nord region of Quebec, Canada.
Loups Marins River is a river in the Côte-Nord region of Quebec, Canada. It empties into the Gulf of Saint Lawrence.
The Napetipi River is a salmon river in the Côte-Nord region of Quebec, Canada. It empties into the Gulf of Saint Lawrence.
The Alesani River is a river in the Haute-Corse department in the island of Corsica, France.
The Fango is a small coastal river in the department of Haute-Corse, Corsica, France. The Fango Valley was designated a biosphere reserve in 1977. It holds flora and fauna representative of all regions of Corsica from the coast to the highest mountains.