Practice Areas. Castle Rock, a popular, Gibraltar-like, 500-foot tower attached to the side of Tumwater Canyon and above the Stevens Pass Highway was the scene of several new routes, appropriately named Outer Space, Devil s Fright, and Diretissima, which required the use of numerous pitons. Several aid-routes done free for the first time are the Canary, Century, and Idiot’s Delight. Ed Cooper and Eric Bjornstad pioneered these in late August and September, while Gordon Thompson and T. M. Herbert in May, September and October joined in the new routes, one involving a forty-foot overhanging layback which was done free. Cooper has prepared a detailed guide book for rock climbing in the Tumwater Canyon. On May 14 Snow Creek Wall saw another new route on the extreme left portion of the wall, as did the Black Pyramid in the Cashmere Crags near Leavenworth, which was ascended on June 22 by its east ridge.