Lake Alta is a
glacial lake
A glacial lake is a body of water with origins from glacier activity. They are formed when a glacier erodes the land and then melts, filling the depression created by the glacier.
Formation
Near the end of the last glacial period, roughly 10,0 ...
in
The Remarkables near
Queenstown in the
South Island
The South Island, also officially named , is the larger of the two major islands of New Zealand in surface area, the other being the smaller but more populous North Island. It is bordered to the north by Cook Strait, to the west by the Tasman ...
of
New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
. It is approximately 500 metres by 250 metres in size and freezes over in the winter months. At this time it is used by skiers and snowboarders. It is used by divers who hold an annual ice dive there, as well as Antarctica New Zealand diver pre deployment training.
References
Lakes of Otago
{{Otago-geo-stub