Bois de Sioux River
| Bois de Sioux River | |
|---|---|
The Bois de Sioux River below the dam of Lake Traverse. Roberts County, South Dakota is at left, and Traverse County, Minnesota is at right. | |
Red River drainage basin, with Bois de Sioux River highlighted | |
| Physical characteristics | |
| Source | |
| • location | Dam at the foot of Lake Traverse, South Dakota |
| • coordinates | 45°51′42″N 96°34′23″W / 45.8616667°N 96.5730556°W |
| Mouth | |
• location | Confluence with the Otter Tail River to form the Red River |
• coordinates | 46°15′52″N 96°35′55″W / 46.2644444°N 96.5986111°W |
• elevation | 951 ft (290 m) |
| Length | 41 mi (66 km) |
| Basin features | |
| Progression | Bois de Sioux River → Red River → Lake Winnipeg → Nelson River → Hudson Bay → Atlantic Ocean |
| GNIS ID | 640348 |
The Bois de Sioux River (/ˌbɔɪz də ˈsuː/ BOYZ də SOO) drains Lake Traverse, the southernmost body of water in the Hudson Bay watershed of North America. It is a tributary of the Red River of the North and defines part of the western border of the U.S. state of Minnesota, and the eastern borders of North Dakota and South Dakota. It is about 41 miles (66 km) in length.
Bois de Sioux is a name derived from French meaning "Woods of the Sioux".