Your ultimate Guide to Avalanche Gulch on Mount Shasta. climbing Mt. Shasta was written specifically for those who are motivated to climb Mt. Shasta for the first time. It contains detailed information for novice climbers as well as experience mountaineers attempting to reach the summit using the Avalanche Gulch route. If you are a armchair adventurer or would consider climbing this peak, open this book,seat comfortably and enjoy the journey to the summit. The climb is described set-by step.