Walther Penck, Ojos del Salado Region. Walther Penck, near Ojos del Salado, is one of the world’s highest volcanoes. In February, a group led by Jaime Surez climbed a sub-summit: Volcan de los Arianos (6562m). This was perhaps the first ascent of this summit.
Marcelo Scanu, Buenos Aires, Argentina