The Sinnamary is a river in

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

. It is long. It rises in the center of the country, flowing north until it reaches the

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 ...

near the town of Sinnamary. Its longest tributary is the Koursibo. The

Petit-Saut Dam The Petit-Saut Dam is a gravity dam on the Sinnamary River about south of Sinnamary in French Guiana. The primary purpose of the dam is to produce hydroelectric power and it supports a 116 MW power station. Construction on the dam and power statio ...

was built near Petit-Saut between 1989 and 1994.

References

Rivers of French Guiana Ramsar sites in France Rivers of France {{FrenchGuiana-river-stub