South Stack Arch (east entrance)

NGR:	HZ 21002 74181
WGS84:	59.55298, -1.63025
Length:	44 m
Vert. Range:	Not recorded
Altitude:	0 m
Geology:	Ward Hill Sandstone Formation - sandstone & dolomitic siltstone
Tags:	Cave, Tunnel, Arch, SeaCave
Registry:	main

Natural Arch running through the stack south of Kirk Stack. Aligned about ENE/WSW. It appears to be a missing layer cave/tunnel and the bedding leans 10-15 degrees northward.

Links and Resources:

The 1st Ed OS 6 in shows 'natural arch' and a pointer line to the west entrance. Not indicated on the current OS map layers.
Photo 1 shows the west entrance on the right hand (S) stack. Mike Pennington 17/9/22.
Photo 2 is the top middle part of Geograph 7183915 by Mike Pennington. This entrance is marked GSG25. 27/5/22.
Pastmap Aerial shows this entrance marked GSG25.
Map 16 shows this entrance as GSG25. p184 of FI Caves (GSG version) an annexe of 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: 2026-01-24 17:36:24

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