Union, Iowa — Natural Bridges
Natural Bridges Near Union, Iowa
Nearest Natural Bridges by Distance
| # | Natural Bridge | Distance |
|---|---|---|
| 1. | Maquoketa Caves Natural Bridge | 117.3 mi. |
| 2. | Rockbridge | 160 mi. |
| 3. | Elephant Trunk Rock | 161.6 mi. |
| 4. | DuChien Cave Natural Bridge | 214.5 mi. |
Natural Bridge Locations