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. To view the tunnel locations on our interactive map, click here and select Tunnels.
| Milepost | Tunnel Name | Maximum Height | Minimum Height | Length |
| 53.1 | Bluff Mountain | 19′ 1″ | 13′ 7″ | 630′ |
| 333.4 | Little Switzerland | 19′ 8″ | 14′ 4″ | 542′ |
| 336.8 | Wildacres | 19′ 10″ | 13′ 1″ | 330′ |
| 344.5 | Twin Tunnel #1 | 21′ 0″ | 16′ 0″ | 300′ |
| 344.7 | Twin Tunnel #2 | 19′ 7″ | 14′ 7″ | 401′ |
| 349 | Rough Ridge | 21′ 6″ | 13′ 9″ | 150′ |
| 364.4 | Craggy Pinnacle | 19′ 9″ | 14′ 1″ | 245′ |
| 365.5 | Craggy Flats | 19′ 5″ | 14′ 4″ | 400′ |
| 374.4 | Tanbark Ridge | 19′ 5″ | 14′ 1″ | 780′ |
| 397.1 | Grassy Knob | 19′ 2″ | 13′ 7″ | 770′ |
| 399.1 | Pine Mountain | 19′ 3″ | 14′ 2″ | 1434′ |
| 400.9 | Ferrin Knob #1 | 19′ 6″ | 14′ 2″ | 561′ |
| 401.3 | Ferrin Knob #2 | 19′ 2″ | 14′ 0″ | 421′ |
| 401.5 | Ferrin Knob #3 | 19′ 5″ | 13′ 9″ | 375′ |
| 403 | Young Pisgah Ridge | 19′ 8″ | 14′ 6″ | 412′ |
| 404 | Fork Mountain | 19′ 2″ | 14′ 0″ | 389′ |
| 406.9 | Little Pisgah | 19′ 5″ | 13′ 10″ | 576′ |
| 407.3 | Buck Spring | 19′ 2″ | 13′ 8″ | 462′ |
| 410.1 | Frying Pan | 19′ 9″ | 13′ 8″ | 577′ |
| 422.1 | Devil’s Courthouse | 19′ 0″ | 14′ 2″ | 665′ |
| 439.7 | Pinnacle Ridge | 19′ 1″ | 13′ 10″ | 813′ |
| 458.8 | Lickstone Ridge | 18′ 1″ | 11′ 1″ | 402′ |
| 459.3 | Bunches Bald | 18′ 4″ | 10′ 6″ | 255′ |
| 461.2 | Big Witch | 18′ 1″ | 11′ 3″ | 348′ |
| 465.6 | Rattlesnake Mountain | 19′ 6″ | 14′ 5″ | 395′ |
| 466.2 | Sherrill Cove | 19′ 7″ | 14′ 4″ | 550′ |
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