10th meridian west

The meridian 10° west of Greenwich is a line of longitude^[1] that extends from the North Pole across the Arctic Ocean, the Atlantic Ocean, Ireland, Africa, the Southern Ocean, and Antarctica to the South Pole.

10°

10th meridian west

The 10th meridian west forms a great circle with the 170th meridian east.

This longitude is the eastern limit of the Atlântico Brasileiro, Montevideo, Ezeiza and Comodoro Rivadavia flight information regions, as well as the western limit of the Luanda and Johannesburg Oceanic FIRs.

The meridian defines the western limit of the New Swabia area in Queen Maud Land, Antarctica.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 10th meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 10°0′W	Arctic Ocean
82°12′N 10°0′W	Atlantic Ocean
54°19′N 10°0′W	Ireland	Mullet Peninsula, Achill Island, Clare Island and Connemara
53°23′N 10°0′W	Atlantic Ocean
52°15′N 10°0′W	Ireland	Dingle, Iveragh and Beara Peninsulas
51°37′N 10°0′W	Atlantic Ocean
29°39′N 10°0′W	Morocco
27°40′N 10°0′W	Western Sahara	Claimed by  Morocco
26°0′N 10°0′W	Mauritania
15°21′N 10°0′W	Mali
12°7′N 10°0′W	Guinea
8°26′N 10°0′W	Liberia
5°49′N 10°0′W	Atlantic Ocean
40°18′S 10°0′W	Saint Helena, Ascension and Tristan da Cunha	Gough Island
40°19′S 10°0′W	Atlantic Ocean
60°0′S 10°0′W	Southern Ocean
70°50′S 10°0′W	Antarctica	Queen Maud Land, claimed by  Norway

See also

• 9th meridian west
• 11th meridian west