Basalt Lake is a small freshwater lake surrounded by three basalt outcrops with ‘organ-pipe’ formations in their rocks, situated in the central part of the ice-free Byers Peninsula

Byers Peninsula

Byers Peninsula is a mainly ice-free peninsula forming the west end of Livingston Island in the South Shetland Islands. It occupies , and includes the small freshwater Basalt Lake. The area was visited by early 19th century American and British sealers who came almost exclusively from New England,...

, Livingston Island in the South Shetland Islands

South Shetland Islands

The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

, Antarctica. and draining through a 1.6 km stream southwards into Bransfield Strait

Bransfield Strait

Bransfield Strait is a body of water about wide extending for in a general northeast-southwest direction between the South Shetland Islands and Antarctic Peninsula. It was named in about 1825 by James Weddell, Master, Royal Navy, for Edward Bransfield, Master, RN, who charted the South Shetland...

.

The feature is descriptively named from the surrounding rock formations.

Location

Basalt Lake is centred at 62°38′35"S 61°03′33.7"W which is 4.07 km northeast of Sealer Hill

Sealer Hill

Sealer Hill is a hill rising to 91 m in the southwest part of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. Surmounting Nikopol Point and Sevar Point to the east-southeast and west-southwest respectively...

, 1.85 km east of Usnea Plug

Usnea Plug

Usnea Plug is a volcanic plug, 30 m from base to summit, rising to 117 m in the interior of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica...

, 1.5 km east-southeast of Chester Cone

Chester Cone

Chester Cone is the ice-free peak rising to 188 m in the central part of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica surmounting Midge Lake to the northwest....

, 3.02 km west-southwest of Tsamblak Hill

Tsamblak Hill

Tsamblak Hill is a rocky hill trending 900 m in north-south direction, 500 m wide and rising to 113 m in eastern Byers Peninsula on Livingston Island in the South Shetland Islands, Antarctica....

 and 3.22 km west-northwest from Negro Hill

Negro Hill

Negro Hill is a conspicuous rocky hill, double-peaked with a small tarn in between, rising to 143 m at South Beaches on Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica...

 (British mapping in 1968, detailed Spanish mapping in 1992, and Bulgarian mapping in 2005 and 2009).

Map

• Península Byers, Isla Livingston. Mapa topográfico a escala 1:25000. Madrid: Servicio Geográfico del Ejército, 1992.
• L.L. Ivanov et al. Antarctica: Livingston Island and Greenwich Island, South Shetland Islands. Scale 1:100000 topographic map. Sofia: Antarctic Place-names Commission of Bulgaria, 2005.
• L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4