Ben Cruachan (Scottish Gaelic: Cruachan Beann)[3] is a mountain that rises to 1,126 metres (3,694 ft), the highest in Argyll and Bute, Scotland.

It gives its name to the Cruachan Dam, a pumped-storage hydroelectric power station located in a cavern inside the mountain.

It is the high point of a ring of mountains, known as the Cruachan Horseshoe, that surrounds the power station reservoir.

The horseshoe includes a further Munro (Stob Diamh), a Corbett (Beinn a' Bhuiridh), and several subsidiary summits.

is the battle cry of Highland clans Campbell and MacIntyre.