Duncan, Iowa — Swamps
Swamps Near Duncan, Iowa
Nearest Swamps by Distance
| # | Swamp | Distance |
|---|---|---|
| 1. | Michaelsen Marsh | 21.5 mi. |
| 2. | Dismal Swamp | 24.3 mi. |
| 3. | Impassable Marsh (historical) | 30.3 mi. |
| 4. | Greenwood Marsh | 32 mi. |
| 5. | Grass Lake | 34.3 mi. |
| 6. | Rutland Marsh | 36.2 mi. |
| 7. | Spicer Lake | 50 mi. |
| 8. | Hart Lake | 50.4 mi. |
| 9. | East Slough | 51 mi. |
| 10. | Perkins Marsh | 53.5 mi. |
Swamp Locations