Rivière Sinnamary is a river located in French Guiana, a region on the northeastern coast of South America. It flows through a lush tropical landscape and is known for its rich biodiversity. The river is an important waterway for local communities and supports various ecosystems. The river eventually empties into the Atlantic Ocean, contributing to the region's unique environment. It is also a popular spot for recreational activities such as fishing and boating. The surrounding area is home to several species of wildlife, making it a significant natural resource for both locals and researchers studying biodiversity in tropical ecosystems.