275m. The easiest of the major Nevis ridges (after ledge route) but still makes a very fine mountaineering expedition. Beware of avalanches from the castle area above, otherwise it is possible in most conditions. Traverse right onto the ridge from below the castle gullies and scramble up it via easy walls and slabs. At the steepening, climb a steep groove to a ledge and then traverse right in a spectacular position. From a niche, a very exposed chimney on good flakey holds leads to a ledge and belay. Another steep pitch leads to an easing in the ridge, and easier ground leads to the top.
In good conditions an excellent descent is to ascend to the north summit of Carn Dearg and descend ledge route. If descending via the halfway Lochan, traverse the hillside west from the top of the ridge for 300m to avoid the north face of Carn Dearg.
Collie JN, Naismith WW, Thomson G, Traverse M 12/Apr/1895.