Troughton Rocks
Location of Snow Island in the South Shetland Islands | |
| Geography | |
|---|---|
| Location | Antarctica |
| Coordinates | 62°44′42″S 61°33′23″W / 62.74500°S 61.55639°W |
| Archipelago | South Shetland Islands |
| Area | 27 ha (67 acres) |
| Length | 315 m (1033 ft) |
| Width | 120 m (390 ft) |
| Administration | |
| Administered under the Antarctic Treaty | |
| Demographics | |
| Population | uninhabited |
Troughton Rocks (Bulgarian: скали Трутън, romanized: skali Troughton, IPA: [skɐˈli ˈtrutən]) are the group of rocks off the northwest extremity of Snow Island in the South Shetland Islands, Antarctica lying in an aquatory of 27 ha that is 315 m long in east-west direction and 120 m wide. The vicinity was visited by early 19th century sealers.
The feature is named after Edward Troughton (1753-1835), a British instrument maker who improved the theodolite design; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.