Beinn Trilleachan

Beinn Trilleachean (840 m) is a mountain in the Grampian Mountains, north of the village of Taynuilt at the head of Loch Etive. It lies on the border of Highland and Argyll and Bute.
A very rocky peak, it is best known for its slabs on the Loch Etive side, which is known for its rock climbing opportunities.