Swona is an uninhabited island between the northern tip of Scotland and the Orkney islands.
Lying in the tidal stream of the Pentland Firth, whirlpools and huge swell waves can be witnessed here. Even large, high-powered vessels can be pushed off course when entering or leaving the eddies around these tidal 'races'.
Swona, once a hub for boat building and now owned privately by Orcadian famers, is a designated SSSI - site of special scientific interest. Rare flowers grow in abundance, and there is even a small herd of wild cattle - once tended by long-gone previous inhabitants - which now thrives naturally on the island.