Dalreich Tunnel [Intake]

Allt Coire Bheilg, Dalriech, Glen Almond, Perthshire.

NGR:	NN 77820 33676
WGS84:	56.47930, -3.98534
Length:	2000 m
Vert. Range:	5 m
Altitude:	378 m
Geology:	Southern Highland Group - Semipelite / Ben Ledi Grit Formation - metasandstone
Tags:	Sink, Tunnel, ManMade
Registry:	second

Tunnel, Hydro electric scheme.

Water diversion tunnel through bedrock (7ft wide, only invert lined), channelling waters of the Allt Coire Bheilg WSW to a dammed pool along the River Almond at [NN 7579 3339]. These waters then pass into the Almond Tunnel on the opposite side of this pool to eventually feed Lednock Reservoir (& ultimately St Fillans Power Station via the Lednock Tunnel).

Alternate Names: Allt Coire Bheilg - Glen Almond Tunnel

Notes: Part of the Breadalbane Hydro Scheme.

Given length & VR approx. Name of 'Dalreich Tunnel' shown on SSE general layout map.

Hydrographic Feeds: Allt Coire Bheilg

Hydrographic Resurgences: River Almond

Links and Resources:

Site 8968: Dalreich Tunnel (Outfall)
SSE: General layout of works (from SSE's Corporate Archive) - View
The Corestore (Subterranea Britannica), by M.J. Ross (2005), St. Fillans Power Station - Link
SSE Renewables: Breadalbane hydro scheme - Link
OS 10k background mapping.

This entry was last updated: 2025-10-18 00:46:38

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