| Name | Nancy's Tunnel |
| Alternative Names | |
| Width of Arch | |
| Height of Arch | |
| Span of Arch | |
| Type of Arch | Tunnel |
| Upper Rock Layer | n/a |
| Lower Rock Layer | Grundy Formation: Sandstone | shale | siltstone | conglomerate | coal |
| Status | |
| Latitude | 36.608938 |
| Longitude | -84.664788 |
| Elevation | |
| Land Owner | Interior Department |
| Name of Land | Big South Fork National River and Recreation Area |
| County | McCreary |
| Azimuth | |
| Documented by | Tennessee Landforms |
| Submitted by |