This is it! After 20 long years, Ontario has a comprehensive rock climbing guidebook and app. This guidebook was a community effort, put together with the help of several climbers, with particular help from this team of notable climbers and contributors: Selene Ma, William Tam, Neel Parikh, Greg Williamson, Leslie Timms, Joe Stubbs, Mike Penney, Mike Smythe, and Mark Smith. It covers the best of Southern Ontarios rock climbing crags The Swamp, Devils Glen, Metcalfe, Old Baldy, Mount Nemo, and Lions Head.Ontario Rock Climbing