Tierra Del Fuego

Archipelago, at the southern extremity of South America. In shape the main island, separated from the mainland by the Strait of Magellan, is a triangle with its base on Beagle Channel. The total area is 28,473 sq mi (73,746 sq km), about two-thirds of which is Chilean and one-third Argentine. The boundary, agreed upon in 1881, follows the meridian 68�36�38� W, from Cabo (cape) Esp�ritu Santo on the Atlantic,