90th meridian west

90°

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90th meridian west

The meridian 90° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, Central America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

In Antarctica, the meridian defines the western limit of Chile's territorial claim. The land further west is not claimed by any nation.

The 90th meridian west forms a great circle with the 90th meridian east.

Starting at the North Pole and heading south to the South Pole, the 90th meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 90°0′W	Arctic Ocean
81°54′N 90°0′W	Canada	Nunavut - Ellesmere Island
81°1′N 90°0′W	Nansen Sound
80°31′N 90°0′W	Canada	Nunavut - Axel Heiberg Island
78°17′N 90°0′W	Norwegian Bay
77°22′N 90°0′W	Canada	Nunavut - Graham Island
77°13′N 90°0′W	Norwegian Bay
76°50′N 90°0′W	Canada	Nunavut - North Kent Island and Devon Island
74°34′N 90°0′W	Barrow Strait
74°4′N 90°0′W	Canada	Nunavut - Prince Leopold Island
73°59′N 90°0′W	Prince Regent Inlet
72°4′N 90°0′W	Canada	Nunavut - Baffin Island
71°31′N 90°0′W	Gulf of Boothia
69°7′N 90°0′W	Canada	Nunavut - Several islands including Helen Island, and the mainland
63°46′N 90°0′W	Hudson Bay
57°1′N 90°0′W	Canada	Manitoba Ontario
48°3′N 90°0′W	United States	Minnesota
47°49′N 90°0′W	Lake Superior
46°41′N 90°0′W	United States	Michigan Wisconsin Illinois Missouri Arkansas Tennessee - Passing through Memphis Mississippi Louisiana - Passing through New Orleans
29°13′N 90°0′W	Gulf of Mexico
21°10′N 90°0′W	Mexico	Yucatán Campeche
17°49′N 90°0′W	Guatemala
13°57′N 90°0′W	El Salvador
13°41′N 90°0′W	Pacific Ocean	Passing just west of Genovesa Island and just east of Santa Fe Island, Galápagos, Ecuador
60°0′S 90°0′W	Southern Ocean
72°28′S 90°0′W	Antarctica	Border between unclaimed territory and Antártica Chilena Province, claimed by Chile

See also

• 89th meridian west
• 91st meridian west
• 45X90 points