Beaver Lake is a lake of smooth ice

Ice

Ice is water frozen into the solid state. Usually ice is the phase known as ice Ih, which is the most abundant of the varying solid phases on the Earth's surface. It can appear transparent or opaque bluish-white color, depending on the presence of impurities or air inclusions...

, 7 mi long and 5 mi wide, enclosed on the south and east by Flagstone Bench and Jetty Peninsula

Jetty Peninsula

Jetty Peninsula is an elongated, steep-sided, almost flat-topped peninsula that extends northward from just east of Beaver Lake for about 30 miles into the Amery Ice Shelf. Discovered from Australian National Antarctic Research Expeditions aircraft in 1956. Named by ANCA for its resemblance to a...

. The lake is situated at the south end of an area of rough ice (a stagnant glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

), 17 mi ESE of Aramis Range

Aramis Range

Aramis Range is the third range south in the Prince Charles Mountains, situated 11 miles southeast of the Porthos Range and extending for about 30 miles in a southwest-northeast direction. First visited in January 1957 by Australian National Antarctic Research Expeditions southern party led by W.G...

, Prince Charles Mountains

Prince Charles Mountains

Prince Charles Mountains is a major group of mountains in Mac. Robertson Land in Antarctica, including the Athos Range, the Porthos Range, and the Aramis Range. The highest peak is Mount Menzies . Other prominent peaks are Mount Izabelle and Mount Stinear...

. Discovered by Australian National Antarctic Research Expeditions (ANARE) personnel in 1956. An Australian National Antarctic Research Expeditions (ANARE) camp was established in the vicinity in September 1957 and the lake was used extensively as a landing area by Beaver

De Havilland Canada DHC-2 Beaver

The de Havilland Canada DHC-2 Beaver is a single-engined, high-wing, propeller-driven, STOL aircraft developed by de Havilland Canada, primarily known as a bush plane. It is used for cargo and passenger hauling, aerial application , and has been widely adopted by armed forces as a utility aircraft...

aircraft.