"Corner Peak" at 1661m is part of the ridge of peaks on the south eastern side of lake Hawea.
Located in the Otago Region of New Zealand's South Island, Lake Hawea lies in a glacial valley formed during the last ice age, and is fed by the Hunter River. Nearby Lake Wanaka lies in a parallel glacial valley eight kilometres to the west. At their closest point (a rocky ridge called The Neck), the lakes are only 1000 metres apart.
Lake Hawea covers an area of some 141 km², at its deepest it is 392 metres deep and lies at an altitude of 348 metres. At its greatest extent the lake is 35 kilometres long.
Its name is Māori, and is thought to be named after a local tribe though the exact meaning is uncertain.
Lake Hawea is dammed to the south by an ancient terminal moraine created some 10,000 years ago. The lake was raised artificially by 20 metres In 1958 to store more water for increased hydroelectric power generation.