Lake, southwestern South Island , New Zealand.
With a maximum depth of 1,455 ft (444 m), it is the deepest lake in the country. It is one of the Southern Lakes, located in Fiordland National Park . Its name derives from a Maori word meaning "lake of the sorrowing heart," and legend holds that its waters are the tears of dying sisters. It has an area of 55 sq mi (142 sq km) and drains a basin of 1,785 sq mi (4,623 sq km).