Nevis Tunnel [Shaft No. 1] (Allt Laire)

Allt Laire, Tulloch, Inverness-shire.

NGR:	NN 32891 77782
WGS84:	56.86129, -4.74263
Length:	Not recorded
Vert. Range:	Not recorded
Altitude:	Not recorded
Geology:	Not recorded
Tags:	Sink, Tunnel, ManMade
Registry:	second

Hydro electric scheme tunnel (constructed 1926-30). Feeder shaft from Allt Laire to main Lochaber Water Tunnel feeding the hydropower generators powering the Corpach Aluminium Smelter.

Alternative Names: None recorded.

Notes: Exact position not known. The feeder adits were designed to accept water from dams across streams crossing the line of the main tunnel. While the approximate location are known from small scale maps only a few of the entrance positions have been accurately located. The condition of the as yet unfound adits is also unknown.

Hydrographic Feeds: Allt Laire

Hydrographic Resurgences: Loch Linnhe

Links and Resources:

Wikipedia - Nevis Tunnel
Lochaber Detecting Group: Lochaber Tunnel - Link
Canmore (ID 281679): Fort William, Lochaber Aluminium Smelter, Power House - Link
Cunningham, Brysson. The Lochaber Hydro-Electric Power Undertaking. Nature 126, 848-849 (1930).Link
Lochaber Narrow Gauge Railway Link

This entry was last updated: 2026-05-11 15:16:12

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