Heeds o Sheeldegeo cave 2

NGR:	HZ 21257 71161
WGS84:	59.52585, -1.62604
Length:	15 m
Vert. Range:	11 m
Altitude:	-3 m
Geology:	Observatory Sandstone Formation - sandstone & dolomitic siltstone
Tags:	Cave, SeaCave
Registry:	main

Viewed from entrance 20/8/21. Short rock arch formed by partially detached rock slab against cliff face. Estimated ~1.5 m width and ceiling ~8 m ACD. Water depth at entrance ~3 m BCD. Passage length estimated ~15 m. Fully illuminated. [Report 1145]

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Current OS has 'Natural Arch' near here. From photo 1 there is no light visible from any far entrance. It may be an example of 'Natural Arch' being used as a synonym for 'cave' - quite common in the N and W Isles.
Photo 1 looking roughly north into entrance from close to. p121 of FI Caves (GSG version), annexe to Report 1145.
Rpt 1145 Harries, D.B., Purcell, A., Moore, C.G., Lyndon A.R., Porter, J.S., Saunders, G.R. and Hume, C.L. 2024. Distribution mapping and baseline monitoring survey of sea caves around Fair Isle. NatureScot Research Report 1145.

This entry was last updated: 2026-02-02 09:56:47

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