Doune Hill is a Graham of 734.5 m in Argyll and Bute. In the database's Loch Long to Loch Lomond region it is the highest of eight register hills, above Beinn Chaorach (Argyll and Bute) and six others.
Among the Grahams, only Sgurr na Coinnich, Beinn Mhor (Argyll and Bute) and Beinn na Caillich (Highland, NG601232) have more drop. Its drop of 695 m is 95% of its height: the col linking it to higher ground is only 39 m above sea level. It overtops all four of its nearest neighbours; the tallest of them, Beinn a' Mhanaich, reaches 708.8 m. On the Grahams height ladder it sits between Druim na Sgriodain (734.6 m) and Beinn Dearg Mhor (Highland, NG520284) (733.5 m). The higher hill nearest to it, Cnoc Coinnich, is a Corbett, 6.8 km to the north-west. The summit is marked by a trig point.
