An Ruadh-stac possible to climb the mountain by a longer route from Glen Torridon starting from Annat at . The summit is littered with quartzite boulders with the highest point marked by a cairn of rocks and gives a view which includes the Skye Cuillin to the SW, Upper Loch Torridon appears next to Beinn Damh to the NW while the Torridon hills are further round to the north. By exploring the summit plateau further it is possible to look 1000 feet down the cliffs of the north face to Loch Coire an Ruaidh-staic. An Ruadh-stac An Ruadh-stac is a Scottish mountain
Rùm Torridonian sandstone and shales resting on Lewisian gneiss. Two of the Cuillin are classified as Corbetts: Askival and Ainshval, (Old Norse for "mountain of the ash trees" and "hill of the strongholds" respectively) and Rùm is the smallest Scottish island to have a summit above . Other hills include Hallival, Trollaval ('mountain of the trolls'), Barkeval, and Sgurr nan Gillean (Gaelic: "peak of the young men") in the Cuillin and Ard Nev, Orval, Sròn an t-Saighdeir and Bloodstone Hill in the west. It is likely that only the higher peaks remained above the Pleistocene ice sheets as nunataks. Hallival and