Langnes Fjord is a narrow fjord, 10 nautical miles (18 km) long, between Langnes Peninsula

Langnes Peninsula

Langnes Peninsula is a narrow rocky peninsula of irregular shape, 9 nautical miles long, being the northernmost of the three main peninsulas that comprise the Vestfold Hills. The name derives from "Langneset" , applied by the Lars Christensen Expedition which mapped the peninsula from aerial...

 and Breidnes Peninsula

Breidnes Peninsula

Breidnes Peninsula is a rocky peninsula, long and wide, between Ellis Fjord and Langnes Fjord in the Vestfold Hills. It was mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition and named Breidneset ....

 in the Vestfold Hills

Vestfold Hills

Vestfold Hills is an area of rounded rock coastal hills, in extent, located at the north side of Sorsdal Glacier on Ingrid Christensen Coast in Antarctica. The hills are subdivided by three west-trending peninsulas bounded by narrow fjords...

. Mapped from air photos by the Lars Christensen Expedition (1936–37) and named after Langnes Peninsula. John Roscoe's 1952 study of air photos taken by U.S. Navy Operation Highjump (1946–47) revealed that this fjord continues farther east than was previously mapped, and that it includes what had been plotted as an isolated 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,...

which the Norwegians had called "Breidvatnet."