Almond Tunnel [Inlet]

River Almond, Glen Almond, NW of Crieff, Perthshire.

NGR:	NN 75764 33366
WGS84:	56.47597, -4.01855
Length:	5200 m
Vert. Range:	21 m
Altitude:	371 m
Geology:	Southern Highland Group - Semipelite / Ben Ledi Grit Formation - metasandstone
Tags:	Sink, Tunnel, ManMade
Registry:	second

Tunnel, Hydro electric scheme.

Water diversion tunnel (10ft B.W., invert only lined), part of the Breadalbane Hydro Scheme. A dammed pool along the River Almond diverts waters into a tunnel mouth in its S bank. This linear, SW-trending tunnel extends to an outfall on the NE bank of (Loch) Lednock Reservoir at [NN 7279 2909], through the intervening mountain mass of Càrn Buidhe / Creag na h-Iolaire.

Alternate Names: Glen Almond - Glen Lednock Tunnel

Notes: Given length & VR are approx. Name of 'Almond Tunnel' shown on SSE general layout map.

Hydrographic Feeds: River Almond

Hydrographic Resurgences: Lednock Reservoir

Links and Resources:

Geograph: Weir on the upper Almond (G. Morrison, 2009) - View
The Corestore (Subterranea Britannica), by M.J. Ross (2005), St. Fillans Power Station - Link
SSE: General layout of works (from SSE's Corporate Archive) - View
SSE Renewables: Breadalbane hydro scheme - Link
OS 10k background mapping.

This entry was last updated: 2025-10-18 02:09:21

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