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Auchendinny, Penicuik, Midlothian.
| NGR: | NT 25641 61602 |
| WGS84: | 55.84188, -3.18899 |
| Length: | 100 m |
| Vert. Range: | Not recorded |
| Altitude: | Not recorded |
| Geology: | Not recorded |
| Tags: | Tunnel, ManMade |
| Registry: | second |
Railway tunnel (19th Century), disused.
Alternative Names: Old Woodhouselee Tunnel, Firth Tunnel
Notes: Opened in 1872, forming part of the Edinburgh - Peebles railway. Now part of the Penicuik to Peebles walkway route.
Given location is for the eastern portal.
Not to be confused with the shorter Auchendinny Tunnel further west.
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This entry was last updated: 2025-05-29 08:12:18
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