Beinn an Dubhaich Cave is a limestone cave on the Isle of Skye, near the hamlet of Torrin. It is the second longest cave on the island, after Valley Head Cave, and has a length of 174 m and a vertical range of 10.7 m1. The cave has two entrances: a sink entrance where a stream goes underground and a main entrance that is a shaft with a tree growing out of it. The cave has several passages and chambers, some of which are dry and some of which are flooded. The cave is connected to Beinn an Dubhaich Rising, a nearby resurgence, by a short underwater passage that was first dived in 1980. The cave is of geological and archaeological interest, as it shows evidence of multiphase cave development and granite/limestone contact, and it is located near the High Pasture Cave, a prehistoric site that was used for ritual purposes.