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110th meridian west

{{Short description|Line of longitude}}

{{Location map-line|lon=-110}}

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File:110th meridian Canada.svg, the 110th meridian west defines part of the border between the Northwest Territories and Nunavut, and it approximately defines the border between Alberta and Saskatchewan.]]

The meridian 110° 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 110th meridian west forms a great circle with the 70th meridian east.

In Canada, the meridian forms the boundary between Nunavut and the Northwest Territories north of the parallel 70° north.[https://laws-lois.justice.gc.ca/eng/regulations/SOR-98-380/page-2.html#docCont Order Respecting the First Legislative Assembly of Nunavut] Originally 110°W was intended as the Fourth Meridian for the Dominion Land Survey, but because of the imperfect surveying methods of the time, the meridian was placed a few hundred metres west of this longitude. The Fourth Meridian has been the entire boundary between Alberta and Saskatchewan since 1905.

In the United States, the meridian formed the western border of the historic and extralegal Territory of Jefferson.[https://history.denverlibrary.org/news/literary-research/jefferson-territory-renegade-state-almost-replaced-colorado Jefferson Territory: The Renegade State that Almost Replaced Colorado]

From pole to pole

Starting at the North Pole and heading south to the South Pole, the 110th meridian west passes through:

:

class="wikitable plainrowheaders"

! scope="col" width="130" | Co-ordinates

! scope="col" | Country, territory or sea

! scope="col" | Notes

style="background:#b0e0e6;" | {{Coord|90|0|N|110|0|W|type:waterbody|name=Arctic Ocean}}

! scope="row" style="background:#b0e0e6;" | Arctic Ocean

| style="background:#b0e0e6;" |

{{Coord|78|41|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Borden Island

style="background:#b0e0e6;" | {{Coord|78|19|N|110|0|W|type:waterbody|name=Wilkins Strait}}

! scope="row" style="background:#b0e0e6;" | Wilkins Strait

| style="background:#b0e0e6;" |

{{Coord|78|7|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Mackenzie King Island

style="background:#b0e0e6;" | {{Coord|77|55|N|110|0|W|type:waterbody}}

! scope="row" style="background:#b0e0e6;" | Unnamed waterbody

| style="background:#b0e0e6;" |

{{Coord|76|28|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Melville Island

style="background:#b0e0e6;" | {{Coord|76|14|N|110|0|W|type:waterbody|name=Eldridge Bay}}

! scope="row" style="background:#b0e0e6;" | Eldridge Bay

| style="background:#b0e0e6;" |

{{Coord|75|54|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Melville Island (for about 2 km)

style="background:#b0e0e6;" | {{Coord|75|53|N|110|0|W|type:waterbody|name=Sabine Bay}}

! scope="row" style="background:#b0e0e6;" | Sabine Bay

| style="background:#b0e0e6;" |

{{Coord|75|33|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Melville Island

style="background:#b0e0e6;" | {{Coord|74|50|N|110|0|W|type:waterbody|name=Parry Channel}}

! scope="row" style="background:#b0e0e6;" | Parry Channel

| style="background:#b0e0e6;" | Viscount Melville Sound

valign="top"

| {{Coord|72|59|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Northwest Territories / Nunavut border — Victoria Island
Nunavut — from {{Coord|70|0|N|110|0|W|type:adm1st|name=Nunavut}} on Victoria Island

style="background:#b0e0e6;" | {{Coord|68|37|N|110|0|W|type:waterbody|name=Coronation Gulf}}

! scope="row" style="background:#b0e0e6;" | Coronation Gulf

| style="background:#b0e0e6;" |

valign="top"

| {{Coord|68|6|N|110|0|W|type:country|name=Canada}}

! scope="row" | Canada

| Nunavut — Jameson Islands and the mainland
Northwest Territories — from {{Coord|65|10|N|110|0|W|type:adm1st|name=Northwest Territories}}, passing through the Great Slave Lake
Saskatchewan — from {{Coord|60|0|N|110|0|W|type:adm1st|name=Saskatchewan}}, passing through Lake Athabasca, around 400m east of the Alberta border

valign="top"

| {{Coord|49|0|N|110|0|W|type:country|name=United States}}

! scope="row" | United States

| Montana
Wyoming — from {{Coord|45|1|N|110|0|W|type:adm1st|name=Wyoming}}
Utah — from {{Coord|41|1|N|110|0|W|type:adm1st|name=Utah}}
Arizona — from {{Coord|37|0|N|110|0|W|type:adm1st|name=Arizona}}

{{Coord|31|20|N|110|0|W|type:country|name=Mexico}}

! scope="row" | Mexico

| Sonora — passing just west of Ciudad Obregón at {{Coord|27|29|N|109|56|W|type:adm1st|name=Ciudad Obregón}}

style="background:#b0e0e6;" | {{Coord|27|4|N|110|0|W|type:waterbody|name=Gulf of California}}

! scope="row" style="background:#b0e0e6;" | Gulf of California

| style="background:#b0e0e6;" |

{{Coord|24|8|N|110|0|W|type:country|name=Mexico}}

! scope="row" | Mexico

| Baja California Sur

style="background:#b0e0e6;" | {{Coord|22|53|N|110|0|W|type:waterbody|name=Pacific Ocean}}

! scope="row" style="background:#b0e0e6;" | Pacific Ocean

| style="background:#b0e0e6;" |

style="background:#b0e0e6;" | {{Coord|60|0|S|110|0|W|type:waterbody|name=Southern Ocean}}

! scope="row" style="background:#b0e0e6;" | Southern Ocean

| style="background:#b0e0e6;" |

{{Coord|74|27|S|110|0|W|type:country|name=Antarctica}}

! scope="row" | Antarctica

| Unclaimed territory — passing through the Walgreen Coast of Marie Byrd Land

See also

References

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w110 meridian west

Category:Borders of Nunavut

Category:Borders of the Northwest Territories

Category:Borders of Saskatchewan

Category:Borders of Alberta