The Idaho Climbing Guide Book. Whether it's a technical ascent of the great west wall of Elephants Perch or a scramble to the summit of 12,662-foot Mount Borah, here's your key to high adventure in Idaho. Tom Lopez has updated and expanded his encyclopedic guide to more than 800 summits. All the features that made the first edition so popular are here in detailed route descriptions, difficulty ratings, summit heights, access information to hundreds of roads and trails, extensive sections on history and geology, and much, much more. You won't find a more thorough guide anywhere! Keep in mind, this thing has 400 pages!!