12th meridian west
Line of longitude
From Wikipedia, the free encyclopedia
The meridian 12° west of Greenwich is a line of longitude[1] that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, Africa, the Southern Ocean, and Antarctica to the South Pole.
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12°
12th meridian west (interactive map)
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.[2]
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°0â²N 12°0â²W Arctic Ocean 81°37â²N 12°0â²W 
Greenland81°18â²N 12°0â²W Atlantic Ocean 28°7â²N 12°0â²W 
Morocco27°40â²N 12°0â²W Western Sahara Claimed by Morocco and the 
Sahrawi Arab Democratic Republic26°0â²N 12°0â²W Western Sahara / 
Mauritania border23°27â²N 12°0â²W Mauritania14°46â²N 12°0â²W 
Mali14°12â²N 12°0â²W 
SenegalFor about 13 km 14°4â²N 12°0â²W MaliFor about 11 km 13°58â²N 12°0â²W Senegal13°46â²N 12°0â²W Mali13°34â²N 12°0â²W Senegal12°24â²N 12°0â²W 
Guinea9°54â²N 12°0â²W 
Sierra Leone7°12â²N 12°0â²W Atlantic Ocean Passing just east of the island of Tristan da Cunha, 
Saint Helena, Ascension and Tristan da Cunha (at 37°7â²S 12°13â²W)60°0â²S 12°0â²W Southern Ocean 71°18â²S 12°0â²W Antarctica Queen Maud Land, claimed by 
Norway
