105th meridian west

105°

105th meridian west

The meridian 105° 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 105th meridian west forms a great circle with the 75th meridian east.

The west as the reference meridian for the seventh time zone west of Greenwich, known as UTC-07 or the Mountain Time Zone in North America.

In the United States, Interstate Highway I-25 roughly parallels the meridian from Douglas, Wyoming to Las Vegas, New Mexico, and from Wellington, Colorado to the Prospect Road interchange (in Fort Collins, Colorado), I-25 happens to be almost exactly aligned along the 105th meridian west. The meridian bisects Denver, Colorado, passing through Denver Union Station. Throughout the Denver metro area, Kalamath Street is the road that most closely corresponds to the 105th meridian.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 105th meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
	Arctic Ocean
	Canada	Nunavut — Ellef Ringnes Island
	Arctic Ocean
	Canada	Nunavut — Ellef Ringnes Island
	Maclean Strait
	Canada	Nunavut — Lougheed Island
	Byam Martin Channel
	Byam Channel	Passing just west of Byam Martin Island, Nunavut, Canada (at )
	Parry Channel	Viscount Melville Sound
	Canada	Nunavut — Stefansson Island
	M'Clintock Channel
	Canada	Nunavut — Victoria Island
	Queen Maud Gulf
	Canada	Nunavut — Melbourne Island and the mainland Northwest Territories — from Saskatchewan — from
	United States	Montana Wyoming — from Colorado — from , passing through Denver (at ) New Mexico — from Texas — from
	Mexico	Chihuahua Durango — from Nayarit — from Jalisco — from
	Pacific Ocean	Passing just east of Isla Salas y Gómez, Chile (at )
	Southern Ocean
	Antarctica	Unclaimed territory

See also

• 104th meridian west
• 106th meridian west