| name | image | Average flow (m³/s) | basin (m²) | Height (m) | origin location | mouth location | Length (m) | latitude (°) | longitude (°) | canyon | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|
| South Fork Grand River (South Dakota) | Grand River | 45.7250000000 | -102.2840000000 | Map | |||||||
| North Fork Grand River | Grand River | 45.7931000000 | -102.3080000000 | Map |