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7m Hole

Assynt, Allt nan Uamh, Sutherland.

A unstable and shifting series of voids approximately 7 m downstream from the entrance to ANUSC. When the streambed floods, this hole takes a significant amount of water. Removal of smaller stones has in the past left larger enterable voids and a depth of almost 3 m was reached but the remaining larger boulders were too heavy to move and posed a significant risk to diggers below. The hole was refilled with loose rocks leaving voids to ensure water continues to flow.

Alternative Names: None recorded.

Notes: The water from this sink has not been dye tested but as the location roughly matches a flood inlet (visible in very wet weather) in Sink Chamber in the cave below (ANUSC) it is likely these are the same stream.

Hydrographic Feeds: Allt na Uamh

Hydrographic Resurgences: Sink Chamber, ANUSC