South America, Peru, Cordillera Blanca, Peaks in Llanganuco Valley

Publication Year: 1974.

Peaks in Llanganuco Valley. Laurie Skreslet, Tom Marron, Joe Duhaime, Larry Derby and I made the following climbs: Yanapaccha Sur (16,880 feet) on June 2 by Marron, Stanley, traverse from north to south; Yanapaccha (17,914 feet) on June 6 by Marron, Stanley, northwest face to north ridge; Pisco (c. 19,000 feet) on June 9 by Duhaime, Marron, Stanley; Yanapaccha (17,651 feet) on June 13 by Derby, Skreslet, west ridge; Chopicalqui (20,998 feet) on June 14 by Marron, Stanley; Pisco Este (c. 19,000 feet) on June 17 by Skreslet, Derby. The latter two unsuccessfully attempted Cayesh in July.

Jonathan D. Stanley, Unaffiliated