Calder's Geo subterranean passage/arch (NW)

Framgord, Esha Ness, Shetland.

NGR:	HU 20777 78737
WGS84:	60.49178, -1.62371
Length:	120 m
Vert. Range:	20 m
Altitude:	-1 m
Geology:	Esha Ness Volcanic Formation - Pyroclastic-breccia
Tags:	Other
Registry:	main

North-west entrance to subterranean passage from north-west of the North Head of Calders geo to the middle of Calder's Geo.

Alternative Names: None recorded.

Notes: Length estimated from straight line NW to SE NGRs + allowance for a second short passage at the SE entrances. Alt is a guesstimate and ACD.

Links and Resources:

Current OS shows a tunnel on the Zoom level 11 layer.
Pastmap, OS 10k background mapping.
BBC report with embedded video 2014 claims 'Biggest cave' by area.
Ryan Leith's Calder's Geo Cave swim.

This entry was last updated: 2024-03-29 12:20:56

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