A canyon The canyon begins almost at Chile's border with Argentina, where it is surrounded by some of the highest peaks in the region, including San José, Maipo and Marmolejo, the most southerly mountain taller than 6,000 m (20,000 ft) in the world.
If you were to fly due east from the southernmost point of the Isla Grande de Tierra del Fuego what is the next land mass, bigger than the island you set out from, which you would meet?
