Incahuasi Central Volcanic Zone of the Andes together with about 110 other Quaternary volcanoes, and lies in the southern sector of the volcanic zone; other volcanic zones in the Andes are the Northern Volcanic Zone, the Southern Volcanic Zone and the Austral Volcanic Zone. The history of volcanic activity is poorly known for most of these volcanoes owing to the lack of dating; only a few historical eruptions have been recorded, such as an eruption at Ojos del Salado in 1993. Incahuasi is located northeast of Ojos del Salado, the highest volcano in the world. Both volcanoes are found at the
Cathedral Range Cathedral Range The Cathedral Range is a mountain range immediately to the South of Tuolumne Meadows in Yosemite National Park. The range is an offshoot of the Sierra Nevada. It includes Cathedral Peak, Unicorn Peak, Eichorn Pinnacle, Echo Peaks, Echo Ridge, Matthes Crest, and Cockscomb. The mountains were formed by glaciers carving out the granite material. The tops of the peaks in the range were above the level of the highest glaciation, and are therefore un-eroded and distinctly spire-like. The range is named after Cathedral Peak, which resembles a cathedral spire. The range runs beside the two Cathedral Lakes, just