Mount Sinyala. Mount Sinyala (5445 feet) was first climbed on April 11 by Mike Sherrick, Bill Amborn, Jim Wilkerson and me. Composed of Coconino sandstone and Kaibab limestone, the peak rises 1200 feet above the Sinyala Mesa on the south rim of the Grand Canyon, about two miles east of the junction of Havasu Creek with the Colorado River. The ascent required seven hours of hiking from Supai village and about three hours of roped climbing. Grand Canyon National Park authorities must be notified of proposed climbs in this area.

Don B. Myers, Sierra Club