Chopicalqui and Alpamayo. From May 24 to July 4 Oswald Duba, Fredy Graf, Gerhard Rathmayr, Marcel Rüdi and I were in the Cordillera Blanca. We climbed Chopicalqui by the southwest ridge from Camp II in the Chopicalqui-Huascarán col. We climbed Alpamayo from Laguna Safuna by the north ridge. The glaciers on the approach are amazingly lacking in problems.
Hans Zebrowski, Schweizer Alpen Club