Cerro Mariano Moreno and Cerro Pirámide, Southern Patagonian Icecap. In the summer of 1972-3 Argentines Jorge Aikes and Eduardo Rodríguez and the Germans Martin Schiessler and Günther Sturm made two new routes, the south and the southwest ridges, of the south peak of Cerro Mariano Moreno. The previous season Aikes and Rodríguez climbed Cerro Pirámide.