Moraine Valley () is a valley filled with

morainic A moraine is any accumulation of unconsolidated debris (regolith and rock), sometimes referred to as glacial till, that occurs in both currently and formerly glaciated regions, and that has been previously carried along by a glacier or ice she ...

debris, long, which drains north into Elephant Flats on the east side of

Signy Island Signy Island is a small subantarctic island in the South Orkney Islands of Antarctica. It was named by the Norwegian whaler Petter Sørlle (1884–1933) after his wife, Signy Therese. The island is about long and wide and rises to above se ...

, in the South Orkney Islands off Antarctica. In summer a stream, fed by the ice slopes at its south end, runs in this valley. It was named by the

Falkland Islands Dependencies Survey The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic o ...

following their survey of 1947. Orwell Lake is a small lake in Moraine Valley, lying southeast of Orwell Glacier in the east part of

, South Orkney Islands. The lake has developed with the retreat of Orwell Glacier in recent years. Named by the

United Kingdom Antarctic Place-Names Committee The UK Antarctic Place-Names Committee (or UK-APC) is a United Kingdom government committee, part of the Foreign and Commonwealth Office, responsible for recommending names of geographical locations within the British Antarctic Territory (BAT) an ...

(UK-APC) in 1981 in association with the

glacier A glacier (; ) is a persistent body of dense ice that is constantly moving under its own weight. A glacier forms where the accumulation of snow exceeds its ablation over many years, often centuries. It acquires distinguishing features, such as ...

References

Valleys of Antarctica Landforms of the South Orkney Islands {{SouthOrkneys-geo-stub