Know Before You Go
Tunnels
Blue Ridge Parkway Tunnel Heights
Tunnel Clearances
Note: Maximum height shown is at centerline stripe of the road. Minimum height shown is at edge stripe. Measurements may vary by 1 to 6 inches due to pavement fluctuations. List last updated on June 28, 2021.
To view the tunnel locations on our interactive map, click here and select Tunnels. Our free mobile app also shows the locations of the tunnels and their height and length.
| Milepost | Name | Length | Tunnel Height at Edgeline | Tunnel Height at Centerline |
| 53.1 | Bluff Mountain | 630 feet | 13 feet 1 inch | 18 feet 6 inches |
| 333.4 | Little Switzerland | 575 feet | 14 feet 3 inches | 19 feet 2 inches |
| 336.8 | Wildacres | 350 feet | 13 feet 5 inches | 19 feet 1 inch |
| 344.5 | Twin Tunnel #1 | 350 feet | 13 feet 10 inches | 19 feet 0 inches |
| 344.7 | Twin Tunnel #2 | 407 feet | 14 feet 6 inches | 18 feet 11 inches |
| 349.0 | Rough Ridge | 182 feet | 13 feet 8 inches | 18 feet 11 inches |
| 364.4 | Craggy Pinnacle | 246 feet | 13 feet 0 inches | 18 feet 10 inches |
| 365.5 | Craggy Flats | 403 feet | 14 feet 4 inches | 18 feet 7 inches |
| 374.4 | Tanbark Ridge | 843 feet | 14 feet 3 inches | 19 feet 1 inch |
| 397.1 | Grassy Knob | 802 feet | 14 feet 3 inches | 18 feet 6 inches |
| 399.1 | Pine Mountain | 1462 feet | 14 feet 3 inches | 18 feet 8 inches |
| 400.9 | Ferrin Knob #1 | 605 feet | 13 feet 6 inches | 18 feet 8 inches |
| 401.3 | Ferrin Knob #2 | 457 feet | 13 feet 9 inches | 18 feet 8 inches |
| 401.5 | Ferrin Knob #3 | 402 feet | 13 feet 10 inches | 18 feet 10 inches |
| 403.0 | Young Pisgah Ridge | 418 feet | 14 feet 2 inches | 18 feet 10 inches |
| 404.0 | Fork Mountain | 392 feet | 14 feet 2 inches | 18 feet 7 inches |
| 406.9 | Little Pisgah Ridge | 583 feet | 13 feet 4 inches | 18 feet 9 inches |
| 407.3 | Buck Spring | 468 feet | 13 feet 2 inches | 18 feet 5 inches |
| 410.1 | Frying Pan | 582 feet | 13 feet 6 inches | 19 feet 0 inches |
| 422.1 | Devil’s Courthouse | 721 feet | 14 feet 2 inches | 18 feet 8 inches |
| 439.7 | Pinnacle Ridge | 859 feet | 13 feet 7 inches | 18 feet 7 inches |
| 458.8 | Lickstone Ridge | 406 feet | 11 feet 8 inches | 17 feet 7 inches |
| 459.3 | Bunches Bald | 290 feet | 12 feet 3 inches | 18 feet 0 inches |
| 461.2 | Big Witch | 353 feet | 11 feet 7 inches | 18 feet 0 inches |
| 465.6 | Rattlesnake Mountain | 415 feet | 14 feet 8 inches | 19 feet 3 inches |
| 466.2 | Sherrill Cove | 590 feet | 13 feet 11 inches | 19 feet 1 inch |
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