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°
12th meridian west

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

  1. 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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