Beinn an Lochain is a Corbett of 901.7 m in Argyll and Bute. In the database's Loch Fyne to Bute and the Firth of Clyde region it is the highest of 16 register hills, above Ben Donich and 14 others.
Its drop of 640 m is 71% of its height: the col linking it to higher ground is only 261.7 m above sea level. It overtops all four of its nearest neighbours; the tallest of them, Beinn Luibhean, reaches 859.7 m. On the Corbetts height ladder it sits between Beinn Damh (902.4 m) and Ben Tee (901.6 m). The higher hill nearest to it, Beinn Ime, is a Munro, 3.7 km to the east.
