The Toxaway River is a 21.4 miles (34.4 km) waterway that flows south from headwaters in Transylvania County, North Carolina

Transylvania County, North Carolina

Transylvania County is a county located in the U.S. state of North Carolina. As of 2010, the population was 33,090. Its county seat is Brevard.- History :The county was formed in 1861 from parts of Henderson County and Jackson County...

, into Lake Toxaway

Lake Toxaway

Lake Toxaway is the largest privately held lake in North Carolina. The lake, developed by the , is man-made and covers , and the shoreline is . Water sources for the lake include multiple free flowing mountain streams with the Toxaway River being the main source...

 and over Toxaway Falls, after which it crosses into South Carolina

South Carolina

South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

 and enters Lake Jocassee

Lake Jocassee

Lake Jocassee is a , deep reservoir located in northwest South Carolina created by the state in partnership with Duke Power in 1973. The lake is commonly known for the clean and cold Appalachian mountain rivers that feed the lake to keep its waters cool and clear water visibilities year-round. ...

, the reservoir behind Lake Jocassee Dam.

In Lake Jocassee the Toxaway River is joined by the Whitewater River

Whitewater River (Keowee River)

The Whitewater River is a river that flows south from headwaters in Transylvania County, North Carolina, over Upper Whitewater Falls and Lower Whitewater Falls before crossing into South Carolina and entering Lake Jocassee, the reservoir behind Lake Jocassee Dam.In Lake Jocassee the Whitewater...

 to form the Keowee River

Keowee River

The Keowee River is created by the confluence of the Toxaway River and the Whitewater River in northern Oconee County, South Carolina. The confluence is today submerged beneath the waters of Lake Jocassee, a reservoir created by Lake Jocassee Dam....

. The confluence is submerged beneath the waters of Lake Jocassee. Via the Keowee and Seneca rivers, the Toxaway River is part of the Savannah River

Savannah River

The Savannah River is a major river in the southeastern United States, forming most of the border between the states of South Carolina and Georgia. Two tributaries of the Savannah, the Tugaloo River and the Chattooga River, form the northernmost part of the border...

watershed.