Many mysteries and legends shroud the shores of this high alpine lake on the border of Peru and Bolivia. Not only is Lake Titicaca the highest navigable lake in South America, it is the world’s largest mountain lake at 3,200 square miles (8,288 sq. km), and the second deepest alpine lake with a depth of 1,000 feet (305 m). Lake Titicaca has been a sacred body of water to South America’s