Ojos del Salado even in summer. Despite the generally dry conditions, there is a permanent crater lake about in diameter at an elevation of on the eastern side of the mountain. This is most likely the highest lake of any kind in the world. The ascent of Ojos del Salado is mostly a hike except for the final section to the summit which is a difficult scramble that may require ropes. The first ascent was made in 1937 by Jan Alfred Szczepański and Justyn Wojsznis, members of a Polish expedition in the Andes. Its name, meaning roughly "Eyes of the Salty One" in
Tank Mountains Tank Mountains The Tank Mountains (Yavapai: Hakimatava) are a mountain range in the Sonoran Desert of southwest Arizona; the range is part of the southeastern border of the Kofa National Wildlife Refuge. The Tank Mountains are east-west trending and about long. The highest peak is Courthouse Mountain on the west end of the range at . Black Dome also on the west end of the range is at and two minor peaks of and flank the east end of the range separated by an alluvial valley. The western two thirds of the mountains lie in the Kofa National Wildlife Refuge