Glas-eilean south arch (W entrance)

Glas-eilean, Farr, Bettyhill, Sutherland.

NGR:	NC 72888 64114
WGS84:	58.54647, -4.18572
Length:	8 m
Vert. Range:	16 m
Altitude:	-3.4 m
Geology:	Bettyhill Formation - migmatitic psammite, migmatitic semipelite
Tags:	Arch, SeaCave
Registry:	main

Subtidal natural arch at the south end of Glas eileann. The axis is about NE, but the cliff on its N side is ENE/SSW.

Alternative Names: None recorded.

Notes: Access: by sea - W from Kirtomy harbour or E from Farr beach or Skerray harbour.

Length from NGRs. Other dimensions measured 13/8/26 by N Feilden. Altitude is ACD.

Links and Resources:

Some hires layers of current OS have 'Natural Arch'.
Photo 1 taken from just outside Uamh Ru nan Gunach southern east entrance by Miner Willy. West side of Glas eileann. This arch is on the right (S) end of it. Still from his video - see Uamh Ru nan Gunach for link to video. 26/8/16.
Photo 2 this entrance from closer. In order to see through the arch, the kayak is significantly NW (left) of the axis of the arch. Tide level was 3.6 m ACD at 11:20 13/8/26.

This entry was last updated: 2026-09-21 16:10:46

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