Coulin and Torridon
This section covers a small but very fine area of the Northwest Highlands on the north and south sides of Glen Torridon and Loch Torridon. There are only nine Munros in this area, but they are all fine peaks and good examples of Torridonian mountain architecture, showing the characteristic layers and terraces of dark red and grey Torridonian sandstone capped by pale Cambrian quartzite on the summits of some of the peaks.
The area between Glen Torridon and Glen Carron contains several fine rocky peaks of which three are Munros. Maol Chean-dearg stands on the west of the deep glen through which goes the right of way from Coulags to the head of Loch Torridon. To its east Sgorr Ruadh and Beinn Liath Mhor face each other across the head of Coire Lair, Sgorr Ruadh being entirely a sandstone mountain and Beinn Liath Mhor having extensive areas of quartzite along its summit ridge and flanks. To the north of these are the three great mountains of Torridon, each one not just a single peak, but a range of several peaks linked by narrow ridges.
Beinn Alligin above the head of Loch Torridon encloses the Toll a'Mhadaidh between its two main peaks, Sgurr Mhor and Tom na Gruagaich, and the eastern extension of the main ridge beyond Sgurr Mhor is a series of three sandstone tops, Na Rathanan. Liathach, which is in National Trust for Scotland territory, is probably the most impressive of the three by reason of its great height and steepness above the lower part of Glen Torridon. The mountain rises from the glen in a single sweep of sandstone cliffs and terraces, and the two high points, Spidean a'Choire Leith and Mullach an Rathain are capped by quartzite. Beinn Eighe, which is almost entirely within the Beinn Eighe National Nature Reserve, has a very different appearance, particularly when seen from Glen Torridon. It is largely quartzite, with long slopes of pale screes dropping from its summit ridge to the glen. Ruadh-stac Mor, the highest of Beinn Eighe's several peaks, is on a spur to the north of the mountain, which on that side has a very different appearance, being a series of wild rocky corries which create a remarkably sterile landscape. Spidean Coire nan Clach is the other Munro, standing in a strategic position where routes from Glen Torridon reach the main ridge of the mountain.