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 104th 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.

From Pole to Pole

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, Nunavut, Canada (at ) Passing just west of Île Marc, Nunavut, Canada (at )
	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 — from Saskatchewan — from
	United States	North Dakota South Dakota — from Nebraska — from Colorado — from New Mexico — from Texas — from
	Mexico	Chihuahua Durango — from Zacatecas — from Jalisco — from Nayarit — from Jalisco — from Colima — from
	Pacific Ocean
	Southern Ocean
	Antarctica	Unclaimed territory

See also

• 103rd meridian west
• 105th meridian west