Guidebook to exploring Scotland's finest mountain ridges through climbing, scrambling and winter mountaineering. With 47 routes across Lochaber, Cairngorms, the North and West Highlands, Skye, Rum, Arran and the Southern Highlands, this guide contains something for all levels of experience and ability, from mountain walkers to scramblers, climbers and mountaineers.

The routes range from 3–26 miles (4–42km) in length and are graded from Moderate–Very Severe (climbs), 1–3 (scrambles) and I–III/3 (winter mountaineering).