Erwin, South Dakota — Nature Reserves
Reserves Near Erwin, South Dakota
Nearest Reserves by Distance
| # | Reserve | Distance |
|---|---|---|
| 1. | Upper Sioux Indian Reservation | 96.7 mi. |
| 2. | Lower Sioux Indian Reservation | 121.3 mi. |
| 3. | Fort Niobrara Wilderness | 184.6 mi. |
| 4. | Chase Lake Wilderness | 199 mi. |
| 5. | Tamarac Wilderness | 199.5 mi. |
Reserve Locations