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90th Meridian West

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90th Meridian West

Line across the Earth
90°
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.

From Pole to Pole

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
Arctic Ocean
 Canada NunavutEllesmere Island
Nansen Sound
 Canada NunavutAxel Heiberg Island
Norwegian Bay
 Canada NunavutGraham Island
Norwegian Bay
 Canada NunavutNorth Kent Island and Devon Island
Barrow Strait
 Canada NunavutPrince Leopold Island
Prince Regent Inlet
 Canada NunavutBaffin Island
Gulf of Boothia
 Canada Nunavut — several islands including Helen Island, and the mainland
Hudson Bay
 Canada Manitoba
Ontario — from
 United States Minnesota
Lake Superior
 United States Michigan
Wisconsin — from
Illinois — from
Missouri — from
Arkansas — from
Tennessee — from , passing through Memphis (at )
Mississippi — from
Louisiana — from , passing just east of New Orleans (at )
Gulf of Mexico
 Mexico Yucatán
Campeche — from
 Guatemala
 El Salvador
Pacific Ocean Passing just west of Genovesa Island, Galápagos,  Ecuador (at )
Passing just east of Santa Fe Island, Galápagos,  Ecuador (at )
Southern Ocean
Antarctica Border between unclaimed territory (to the west) and Antártica Chilena Province (to the east), claimed by  Chile

See also

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