Mississippi River | River Thames | Amazon River | Columbia River | Hudson River | Colorado River | Potomac River | river | Ohio River | Missouri River | Delaware River | Murray River | River Tyne | Madeira River | Volga River | River Nene | River Clyde | River Trent | River Severn | Amur River | River Wear | Allegheny River | Red River | Dnieper River | Yarra River | Paraná River | River Tees | Fraser River | Yangtze River | Tocantins River |
The Ouachita Mountains of Oklahoma and Arkansas and Ouachita River of Arkansas and Louisiana were named for the tribe, as was Lake Ouachita.
It is restricted to the headwaters of the Ouachita River and the Saline River drainage systems including the Caddo River and Little Missouri River.