Perdido River

The Perdido River, also historically known as Rio Perdido or by its native name of Cassaba, is a 65.4-mile-long (105.3 km) river in the U.S. states of Alabama and Florida; the Perdido, a designated Outstanding Florida Waters river, forms part of the boundary between the two states along nearly its entire length and drains into the Gulf of Mexico. During the early 19th century it played a central role in a series of rotating boundary changes and disputes among France, Spain, Great Britain, and the United States.
It rises in southwestern Alabama in Escambia County approximately 8 miles (13 km...