Basalt Lake is a small freshwater lake surrounded by three basalt outcrops with âÂÂorgan-pipeâ formations in their rocks, situated in the central part of the ice-free Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. and draining through a stream southwards into Bransfield Strait.
The feature is descriptively named from the surrounding rock formations.
Basalt Lake is centred at which is northeast of Sealer Hill, east of Usnea Plug, east-southeast of Chester Cone, west-southwest of Tsamblak Hill and west-northwest from Negro Hill (British mapping in 1968, detailed Spanish mapping in 1992, and Bulgarian mapping in 2005 and 2009).