Askival is a Corbett of 812 m in Highland. Its key col is at sea level, so all 812 m of its height counts as drop.
Among the Corbetts, only Goatfell, Sgurr Dhomhnuill and Beinn Bhan (Highland, NG803450) have more drop. In the database's Canna, Rhum and Eigg region it is the highest of three register hills, above Ainshval and Trollabhal. Its nearest higher summit, Gars-bheinn (894.2 m, 24.6 km north), is a listed top not profiled here. The summit is marked by a trig point.