Eilean Horrisdale is an uninhabited island in Loch Gairloch in Wester Ross, Scotland.GeographyEilean Horrisdale is the largest island in Loch Gairloch. In front is the smaller, Eilean Tioram (dry island), which is connected to the mainland by a causeway.Eilean Horrisdale shelters the small harbour of Badachro. In 1841, it supported a fishing community of 27 people in four houses and 31 in five houses by the end of the 19th century. There were two curing stations - one on Eilean Horrisdale and one on Eilean Tioram. Today there are five houses on the island which are generally used as holiday homes. In 2011 the island was classified by the National Records of Scotland as an inhabited island that "had no usual residents at the time of either the 2001 or 2011 censuses."The name comes from Thor, the Norse God of Thunder.