Castle Tioram / Tirrim - Loch Moidart - Inverness - Highland Castle Tioram (pronounced "Chee-rum" from Scottish Gaelic "Caisteal Tioram" meaning "dry castle") is a ruined castle that sits on the tidal island Eilean Tioram in Loch Moidart, Lochaber, Highland, Scotland. Though hidden from the sea, the castle controls access to Loch Shiel. A listed building and scheduled ancient monument - it is the traditional seat of the Clan MacDonald of Clan Ranald, a branch of Clan Donald. 咄ortean / TopFoto