Secret Lake is a meltwater lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 2 nautical miles (3.7 km) west of Ares Cliff

Ares Cliff

Ares Cliff is a cliff in Antarctica. It is formed of pale-colored sandstone and rises to about , and is located east of Mars Glacier and north of Two Step Cliffs on the east side of Alexander Island...

, in eastern Alexander Island

Alexander Island

Alexander Island or Alexander I Island or Alexander I Land or Alexander Land is the largest island of Antarctica, with an area of lying in the Bellingshausen Sea west of the base of the Antarctic Peninsula, from which it is separated by Marguerite Bay and George VI Sound. Alexander Island lies off...

. The lake is situated in a NW-facing cirque and is fed from an area of stagnant ice. It lies 100 m above the east edge of Mars Glacier

Mars Glacier

Mars Glacier is a glacier in the southeast corner of Alexander Island, 6 nautical miles long and 2 nautical miles wide, flowing south into the ice shelf of George Vl Sound between Two Step Cliffs and Phobos Ridge. First seen from the air by Lincoln Ellsworth on November 23, 1935, and roughly...

 and is visible only from the cirque or from the air. Mapped by Directorate of Overseas Surveys from satellite imagery supplied by U.S. National Aeronautics and Space Administration in cooperation with U.S. Geological Survey. The name by United Kingdom Antarctic Place-Names Committee (UK-APC) refers to the secluded location of the lake.