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
Ramshead Range Ramshead Range The Ramshead Range, a mountain range that is part of the Snowy Mountains, is located in the Monaro region of New South Wales and the Alpine region of Victoria, Australia. The range extends from the southwest near Mount Cobberas No. 1 in Victoria, across the Black-Allen Line that defines the straight line border between the two states, towards the northeast near Thredbo in New South Wales. The peaks of the range are around , with Mount Twynam, at an elevation of , the highest peak. The number of peaks in the Ramshead Range is debatable: however it is