78th parallel south

78°

78th parallel south

The 78th parallel south is a circle of latitude that is 78 degrees south of the Earth's equatorial plane in the Antarctic. The parallel passes through the Southern Ocean and Antarctica.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 78° south passes through:

Co-ordinates	Country, territory or sea	Notes
78°0′S 0°0′E / 78.000°S 0.000°E / -78.000; 0.000 (Prime Meridian)	Antarctica	Queen Maud Land, claimed by Norway Australian Antarctic Territory, claimed by Australia Adélie Land, claimed by France Australian Antarctic Territory, claimed by Australia Ross Dependency, claimed by New Zealand
78°0′S 177°42′E / 78.000°S 177.700°E / -78.000; 177.700 (Southern Ocean)	Southern Ocean	Ross Sea
78°0′S 160°26′W / 78.000°S 160.433°W / -78.000; -160.433 (Antarctica)	Antarctica	Ross Dependency, claimed by New Zealand Unclaimed territory Antártica Chilena, claimed by Chile Territory claimed by Chile and United Kingdom (overlapping claims) Territory claimed by Argentina, Chile and United Kingdom (overlapping claims) Territory claimed by Argentina and United Kingdom (overlapping claims)
78°0′S 45°44′W / 78.000°S 45.733°W / -78.000; -45.733 (Southern Ocean)	Southern Ocean	Weddell Sea
78°0′S 42°7′W / 78.000°S 42.117°W / -78.000; -42.117 (Antarctica)	Antarctica	Territory claimed by Argentina and United Kingdom (overlapping claims) British Antarctic Territory, claimed by United Kingdom Queen Maud Land, claimed by Norway