Keystone, South Dakota — Natural Bridges
Natural Bridges Near Keystone, South Dakota
Nearest Natural Bridges by Distance
| # | Natural Bridge | Distance |
|---|---|---|
| 1. | Needle Eye | 7.4 mi. |
| 2. | Ayres Natural Bridge | 136.4 mi. |
Natural Bridge Locations
| # | Natural Bridge | Distance |
|---|---|---|
| 1. | Needle Eye | 7.4 mi. |
| 2. | Ayres Natural Bridge | 136.4 mi. |