109th meridian west

The meridian 109° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

Line across the Earth
109°
109th meridian west

The 109th meridian west forms a great circle with the 71st meridian east.

In the United States, the western boundaries of Colorado and New Mexico and the eastern boundaries of Utah and Arizona lie on the 32nd meridian west from Washington, which is approximately 3 minutes of longitude west of the 109th meridian west of Greenwich, or approximately 2.5 mi (4.0 km).

From pole to pole

Starting at the North Pole and heading south to the South Pole, the 109th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 109°0′W Arctic Ocean Passing just east of Borden Island, Nunavut, Canada (at 78°28′N 109°13′W)
Passing just east of Vesey Hamilton Island, Nunavut, Canada (at 76°54′N 109°2′W)
76°49′N 109°0′W Canada NunavutMelville Island
75°53′N 109°0′W Sabine Bay
75°29′N 109°0′W Canada
74°59′N 109°0′W Parry Channel Viscount Melville Sound
72°46′N 109°0′W Canada Nunavut — Victoria Island
68°44′N 109°0′W Dease Strait
68°19′N 109°0′W Bathurst Inlet
68°0′N 109°0′W Canada NunavutLewes Island, the Stockport Islands and the mainland
Northwest Territories — from 64°48′N 109°13′W, passing through the Great Slave Lake
Saskatchewan — from 60°0′N 109°13′W, passing through Lake Athabasca
49°0′N 109°0′W United States Montana
Wyoming — from 45°0′N 109°13′W
Colorado — from 41°0′N 109°13′W
New Mexico — from 37°0′N 109°13′W
31°20′N 109°0′W Mexico Sonora
Sonora / Chihuahua border — from 28°17′N 109°13′W
Sonora — from 28°0′N 109°13′W
Sinaloa — from 26°26′N 109°13′W, passing through Los Mochis
25°26′N 109°0′W Pacific Ocean Passing just east of Clipperton Island (an overseas possession of France, at 10°17′N 109°12′W)
Passing just east of Easter Island, Chile (at 27°6′S 109°14′W)
60°0′S 109°0′W Southern Ocean
73°29′S 109°0′W Antarctica Unclaimed territory

See also

References

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