South Stack Arch (west entrance)

NGR:	HZ 20963 74160
WGS84:	59.55280, -1.63094
Length:	43 m
Vert. Range:	Not recorded
Altitude:	0 m
Geology:	Ward Hill Sandstone Formation - sandstone & dolomitic siltstone
Tags:	Other
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 this west entrance. Not indicated on the current OS map layers.
Photo 1 shows this west entrance on the right hand (S) stack. Mike Pennington 17/9/22.
Pastmap Aerial shows this entrance marked NS41.
Map 16 shows this entrance as NS41. 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 12:45:37

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