Aconcagua Provincial Park Aconcagua Provincial Park Aconcagua Provincial Park is located in the Mendoza Province in Argentina. The Andes mountain range draws all types of thrill seekers ranging in difficulty including hiking, climbing, skiing, etc. Besides it draws history lovers. This range plays an important place in the history of Latin America. In 1818 General Don Jose de San Martin crossed these mountains during war with the Spanish Empire eventually securing independence for Chile by his daring raid. The summit of the mountain Aconcagua, the tallest mount in the Andes range, was considered unattainable for many years until January 14, 1897, then Matthias
Ojos del Salado of fumaroles high on the mountain and recent-looking lava flows, albeit of uncertain age, also argues in favor of a categorization as "active." By these definitions, Ojos del Salado is the highest historically active volcano on Earth. If the older date is accepted, the title of "highest historically active volcano" might reside instead with the somewhat lower Llullaillaco volcano, which certainly has erupted in historic times (most recently in 1877) and is considered active. Salado's rock is predominantly potassium-rich dacite and rhyodacite. Its lavas are high in biotite, hornblende, plagioclase, and opaques, with lower levels of augite, quartz, and hypersthene.