# 104th meridian west

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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 90°0′N 104°0′W﻿ / ﻿90.000°N 104.000°W﻿ / 90.000; -104.000﻿ (Arctic Ocean) Arctic Ocean 79°22′N 104°0′W﻿ / ﻿79.367°N 104.000°W﻿ / 79.367; -104.000﻿ (Canada)  Canada Nunavut — Ellef Ringnes Island 78°14′N 104°0′W﻿ / ﻿78.233°N 104.000°W﻿ / 78.233; -104.000﻿ (Maclean Strait) Maclean Strait 77°9′N 104°0′W﻿ / ﻿77.150°N 104.000°W﻿ / 77.150; -104.000﻿ (Canada)  Canada Nunavut — Edmund Walker Island 77°7′N 104°0′W﻿ / ﻿77.117°N 104.000°W﻿ / 77.117; -104.000﻿ (Desbarats Strait) Desbarats Strait 76°40′N 104°0′W﻿ / ﻿76.667°N 104.000°W﻿ / 76.667; -104.000﻿ (Canada)  Canada Nunavut — Cameron Island and Île Vanier 76°2′N 104°0′W﻿ / ﻿76.033°N 104.000°W﻿ / 76.033; -104.000﻿ (Byam Martin Channel) Byam Martin Channel Passing just west of Massey Island, Nunavut, Canada (at 75°56′N 103°55′W﻿ / ﻿75.933°N 103.917°W﻿ / 75.933; -103.917﻿ (Massey Island)) Passing just west of Île Marc, Nunavut, Canada (at 75°52′N 103°48′W﻿ / ﻿75.867°N 103.800°W﻿ / 75.867; -103.800﻿ (Île Marc)) 75°40′N 104°0′W﻿ / ﻿75.667°N 104.000°W﻿ / 75.667; -104.000﻿ (Austin Channel) Austin Channel 75°24′N 104°0′W﻿ / ﻿75.400°N 104.000°W﻿ / 75.400; -104.000﻿ (Canada)  Canada Nunavut — Byam Martin Island 75°3′N 104°0′W﻿ / ﻿75.050°N 104.000°W﻿ / 75.050; -104.000﻿ (Parry Channel) Parry Channel Viscount Melville Sound 73°25′N 104°0′W﻿ / ﻿73.417°N 104.000°W﻿ / 73.417; -104.000﻿ (M'Clintock Channel) M'Clintock Channel 70°46′N 104°0′W﻿ / ﻿70.767°N 104.000°W﻿ / 70.767; -104.000﻿ (Canada)  Canada Nunavut — Victoria Island 68°52′N 104°0′W﻿ / ﻿68.867°N 104.000°W﻿ / 68.867; -104.000﻿ (Queen Maud Gulf) Queen Maud Gulf 68°3′N 104°0′W﻿ / ﻿68.050°N 104.000°W﻿ / 68.050; -104.000﻿ (Canada)  Canada Nunavut Northwest Territories — from 64°24′N 104°0′W﻿ / ﻿64.400°N 104.000°W﻿ / 64.400; -104.000﻿ (Northwest Territories) Saskatchewan — from 60°0′N 104°0′W﻿ / ﻿60.000°N 104.000°W﻿ / 60.000; -104.000﻿ (Saskatchewan) 49°0′N 104°0′W﻿ / ﻿49.000°N 104.000°W﻿ / 49.000; -104.000﻿ (United States)  United States North Dakota South Dakota — from 45°56′N 104°0′W﻿ / ﻿45.933°N 104.000°W﻿ / 45.933; -104.000﻿ (South Dakota) Nebraska — from 43°0′N 104°0′W﻿ / ﻿43.000°N 104.000°W﻿ / 43.000; -104.000﻿ (Nebraska) Colorado — from 41°0′N 104°0′W﻿ / ﻿41.000°N 104.000°W﻿ / 41.000; -104.000﻿ (Colorado) New Mexico — from 37°0′N 104°0′W﻿ / ﻿37.000°N 104.000°W﻿ / 37.000; -104.000﻿ (New Mexico) Texas — from 32°0′N 104°0′W﻿ / ﻿32.000°N 104.000°W﻿ / 32.000; -104.000﻿ (Texas) 29°18′N 104°0′W﻿ / ﻿29.300°N 104.000°W﻿ / 29.300; -104.000﻿ (Mexico)  Mexico Chihuahua Durango — from 26°46′N 104°0′W﻿ / ﻿26.767°N 104.000°W﻿ / 26.767; -104.000﻿ (Durango) Zacatecas — from 23°31′N 104°0′W﻿ / ﻿23.517°N 104.000°W﻿ / 23.517; -104.000﻿ (Zacatecas) Jalisco — from 22°21′N 104°0′W﻿ / ﻿22.350°N 104.000°W﻿ / 22.350; -104.000﻿ (Jalisco) Nayarit — from 21°27′N 104°0′W﻿ / ﻿21.450°N 104.000°W﻿ / 21.450; -104.000﻿ (Nayarit) Jalisco — from 21°15′N 104°0′W﻿ / ﻿21.250°N 104.000°W﻿ / 21.250; -104.000﻿ (Jalisco) Colima — from 19°26′N 104°0′W﻿ / ﻿19.433°N 104.000°W﻿ / 19.433; -104.000﻿ (Colima) 18°53′N 104°0′W﻿ / ﻿18.883°N 104.000°W﻿ / 18.883; -104.000﻿ (Pacific Ocean) Pacific Ocean 60°0′S 104°0′W﻿ / ﻿60.000°S 104.000°W﻿ / -60.000; -104.000﻿ (Southern Ocean) Southern Ocean 74°44′S 104°0′W﻿ / ﻿74.733°S 104.000°W﻿ / -74.733; -104.000﻿ (Antarctica) Antarctica Unclaimed territory