Grand River
Born where its two forks meet in Shadehill Reservoir, the Grand flows east across northern South Dakota through the Standing Rock Sioux Reservation, its last miles forming an arm of Lake Oahe just above Mobridge.
Weather at the Grand River (National Weather Service) ↗
River facts
| Length | About 110 miles |
|---|---|
| Source | North and South forks meet at Shadehill Reservoir, Perkins County, SD |
| Mouth | Missouri River (Lake Oahe) near Mobridge, South Dakota |
| State | South Dakota |
Boat ramps and launches
Orange dots on the map. Tap a name to open it in Google Maps. Public ramps and launches along the Grand River in South Dakota, from OpenStreetMap. The list may be incomplete, so check the state wildlife agency for current access.
- Boat ramp (45.577, -100.487) Unnamed in OpenStreetMap
- Boat ramp (45.572, -100.484) Unnamed in OpenStreetMap
Bait shops
No bait shops are mapped near this river yet. Search Google Maps for bait shops near the Grand River ↗
Fishing regulations
Check the state agency for river-specific rules, seasons and limits before you fish:
- South Dakota: South Dakota Department of Game, Fish and Parks ↗
Lakes on or near the Grand River
Lakes in our guide on or near this river:
Facts from Grand River (Wikipedia) ↗ · Boat ramps and bait shops: OpenStreetMap contributors · River course: U.S. Geological Survey