The Tárcoles River, also called the Grande de Tárcoles River, originates on the southern slopes of the Cordillera Central volcanic range and flows in a south-westerly direction to the Gulf of Nicoya.
The river's upper reaches form the northern border of the Carara Biological Reserve. It is a habitat for American crocodiles, while the marshes located at the river's mouth have many waterfowl and wading birds. Among the many herons and egrets are the boatbill and bare-throated tiger heron, and other birds found here include double-striped thick-knee, mangrove warbler and American pygmy kingfisher.
River Tárcoles, Costa Rica Tárcoles Costa Rica