Uamh an Claonaite (Scottish Gaelic: Cave of the sloping rock) is the longest cave in Scotland. It consists of a series of dry passages and a series of at least six sumps which have been dived over the years.

The attempt by members of the Grampian Speleological Group to excavate a nearby sinkhole, Rana Hole, and connect into the final chambers from above achieved its aim in December 2007.

The

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