 It is linked by a tidal causeway (called The Strand) to Oronsay.The highest point on the island is Carnan Eoin, above sea level.In 1995 evidence of large-scale Mesolithic nut shelling, some 8,000 years ago, was found in a midden pit at Staosnaig on the island's sheltered east coast, in a large, shallow pit full of the remains of hundreds of thousands of burned hazelnut shells.