Height varies from 10 ft to 4 ft. Maybe more of a natural tunnel than an arch. Walkable passageway penetrating 100 feet through the ridge. GPS is for the north opening
| Name | Rockcastle Passage |
| Alternative Names | |
| Width of Arch | |
| Height of Arch | 4 |
| Span of Arch | 3 |
| Type of Arch | Tunnel |
| Upper Rock Layer | |
| Lower Rock Layer | |
| Status | |
| Latitude | 37.1305 |
| Longitude | -84.28671 |
| Elevation | |
| Land Owner | USDA |
| Name of Land | Daniel Boone National Forest |
| County | Laurel |
| Azimuth | |
| Documented by | Greg Anderson |
| Submitted by | Greg Anderson |