 On the northern side of the mountain are two grassy corries, the Glas-choire and the Fraoch-choire, which both drain NW into Loch Ericht.The mountain is crossed by an ancient line of iron fence posts which mark the old boundary between Perthshire and Invernesshire, this can be an aid to navigation in poor visibility.The rolling topography of Beinn Udlamain and its adjoining peaks make it ideal ski touring country.