12th meridian west
The meridian 12° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, Africa, the Southern Ocean, and Antarctica to the South Pole.
12°
The 12th meridian west forms a great circle with the 168th meridian east.
Part of the border between Western Sahara and Mauritania is defined by the meridian.[1]
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 12th meridian west passes through:
Co-ordinates Country, territory or sea Notes 90°0′N 12°0′W Arctic Ocean 81°37′N 12°0′W Greenland 81°18′N 12°0′W Atlantic Ocean 28°7′N 12°0′W Morocco 27°40′N 12°0′W Western Sahara Claimed by Morocco and the Sahrawi Arab Democratic Republic 26°0′N 12°0′W Western Sahara / Mauritania border 23°27′N 12°0′W Mauritania 14°46′N 12°0′W Mali 14°12′N 12°0′W Senegal For about 13 km 14°4′N 12°0′W Mali For about 11 km 13°58′N 12°0′W Senegal 13°46′N 12°0′W Mali 13°34′N 12°0′W Senegal 12°24′N 12°0′W Guinea 9°54′N 12°0′W Sierra Leone 7°12′N 12°0′W Atlantic Ocean Passing just east of the island of Tristan da Cunha, Saint Helena, Ascension and Tristan da Cunha (at 37°7′S 12°13′W) 60°0′S 12°0′W Southern Ocean 71°18′S 12°0′W Antarctica Queen Maud Land, claimed by Norway
References
- Brownlie, Ian (1979). African Boundaries: A Legal and Diplomatic Encyclopedia. Institute for International Affairs, Hurst and Co. pp. 437–44.
See also
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