description Oyapock River Overview
The Oyapock River is a significant waterway in South America, extending approximately 430 kilometers through the tropical landscapes of the Guianas. For most of its course, the river serves as the natural international border separating Brazil and French Guiana, an overseas department of France. The river's mouth empties into the Atlantic Ocean and is spanned by the Oyapock River Bridge, a cable-stayed structure inaugurated in 2017 to connect the two nations. Although the bridge's physical construction was completed earlier, logistical and infrastructure delays hindered its full operational opening for years.
help Oyapock River FAQ
Does the Oyapock River form a national border?
For much of its course, the Oyapock forms the boundary between Brazil and French Guiana. French Guiana is an overseas department and region of France, so the river also marks part of the Brazil-France border.
How long is the Oyapock River?
The Oyapock is approximately 430 kilometers long. It flows through tropical forest and coastal lowlands before reaching the Atlantic Ocean.
Which bridge crosses the Oyapock River?
The Oyapock River Bridge links Oiapoque in Brazil with Saint-Georges-de-l'Oyapock in French Guiana. The road bridge was built to improve the land connection between Brazil and France.
Where does the Oyapock River reach the sea?
The river flows northward to the Atlantic coast of South America. Its mouth lies near the border area between the Brazilian state of Amapá and French Guiana.
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