“Mt. Aconcagua: Mountain, western Argentina, on the Chilean border. At 22,384 feet (6,960 meters) high, it is the highest peak of the Andes and of the Western Hemisphere. It is of volcanic origin but is not itself a volcano. The summit was first reached in 1897.”
Excerpted from: Stevens, Mark A., Ed. Merriam-Webster’s Collegiate Encyclopedia. Springfield, Massachusetts: Merriam-Webster, 2000.