Subterranean Passage (N Murray Heugh) SE entrance

A tall rift cave which runs ca SSE through a headland on the S side of a geo which is at the N end of Murray Heugh and just to the SW of Green Slough. It is navigable in the top half of the tide and low swell from this seaward end up to a large boulder. It may be navigable end to end on a high spring tide.

Notes: Access: by sea from Newtonhill Bay. Note that you should park W of the railway viaduct so that wheels are helpful for a 500 m tow.

Links and Resources:

Not indicated on any OS.
Photo 1 shows this entrance obliquely as a shallow reversed 'C' line to the left of an unnamed geo. The NW entrance is past the bulge some way down the left side of the geo. Part of Green Slough is on the right (per OS namebook & 1st Ed 25 in).
Photo 2 this entrance from in line beside the cliff and about 75 m away. It is a nice example of a left hand corner cave - the cliff on the left continues as the left wall of the cave, while in plan, the cliff line makes roughly a right angle = corner.
Photo 3 this entrance from about 30 m out.
Photo 4 looking into the cave and through the NW entrance from very near this entrance.
Photo 5 inside - showing the rock that blocks the channel except possibly at a high springs tide. Note the roughly 0.4 m water wetted line which shows that the swell was not zero.

This entry was last updated: 2023-01-18 14:50:11

Errors or omissions in this information? Submit corrections/additions/comments for this entry to the registrars.

NGR:	NO 91232 92980
WGS84:	57.02785, -2.14607
Length:	40 m
Vert. Range:	15 m
Altitude:	-1 m
Geology:	Glen Lethnot Grit Formation - metamorphic - psammite, micaceous
Tags:	Cave, Tunnel, SeaCave
Registry:	main

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