104th meridian west

104°
104th meridian west

The meridian 104° 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.

The 104rd meridian west forms a great circle with the 76th meridian east.

In the United States, the western boundaries of North Dakota, South Dakota, and Nebraska and the eastern boundaries of Montana and Wyoming lie on the meridian 27° west of Washington, which is a couple of miles west of the meridian 104° west of Greenwich. In Colorado, the meridian 104° west of Greenwich roughly defines the eastern extent of the region of high plains protected by the Southern Rocky Mountains.
Starting at the North Pole and heading south to the South Pole, the 104th meridian west passes through:

Co-ordinates Country, territory or sea Notes
Arctic Ocean
 Canada Nunavut - Ellef Ringnes Island
Maclean Strait
 Canada Nunavut - Edmund Walker Island
Desbarats Strait
 Canada Nunavut - Cameron Island and Île Vanier
Byam Martin Channel Passing just west of Massey Island and Île Marc, Nunavut,  Canada
Austin Channel
 Canada Nunavut - Byam Martin Island
Parry Channel Viscount Melville Sound
M'Clintock Channel
 Canada Nunavut - Victoria Island
Queen Maud Gulf
 Canada Nunavut
Northwest Territories
Saskatchewan
 United States North Dakota
South Dakota
Nebraska
Colorado
New Mexico
Texas
 Mexico Chihuahua
Durango
Zacatecas
Jalisco
Nayarit
Jalisco
Colima
Pacific Ocean
Southern Ocean
Antarctica Unclaimed territory

See also