Hydra Cove is a small cove indenting for 200 m the northwest coast of Varna Peninsula, Livingston Island in the South Shetland Islands, Antarctica and entered north of Gargoyle Bastion.
The feature is named after the Lernaean Hydra, a monster with nine heads slain by Hercules.
Location The cove is centred at which is 17.7 km northeast of Siddins Point and 1.42 km south of Williams Point (British mapping in 1968, and Bulgarian mapping in 2005 and 2009).
Maps 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.
References Composite Antarctic Gazetteer.