Duncan, Iowa — Nature Reserves
Reserves Near Duncan, Iowa
Nearest Reserves by Distance
| # | Reserve | Distance |
|---|---|---|
| 1. | Lower Sioux Indian Reservation | 117.3 mi. |
| 2. | Quercus Wilderness Area | 142 mi. |
| 3. | Upper Sioux Indian Reservation | 145.5 mi. |
| 4. | Antoine LeClaires Reservation | 156.9 mi. |
| 5. | Schilling State Wildlife Area | 181.1 mi. |
| 6. | Lindsay Wilderness Area | 193 mi. |
Reserve Locations