Nelson Strait is the 9 km long and 9.8 km wide strait lying between Robert Island and Nelson Island in the South Shetland Islands, Antarctica. The strait was explored by early 19th century sealers and first charted by Nathaniel Palmer in 1821. While it had a variety of different names in the past (‘Harmony Strait’, ‘King George’s Strait’, ‘Parry’s Straits’, Davis’s Straits’, ‘Détroit de Clothier’ etc.), the present name — probably taken from the adjacent Nelson Island — has become well established in international usage.
Map of Nelson Strait, Antarctica
The strait is centred at (62°21′00″S 59°17′00″W) (early American and British mapping in 1821, British mapping in 1968, Argentine in 1946 and 1980, Chilean in 1951 and 1971, and Bulgarian mapping of the western part in 2009).