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123rd meridian west
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Line of longitude
August 2025
-123
The meridian 123° west of Greenwich is a line of longitudeWhat is longitude? https://oceanservice.noaa.gov/facts/longitude.html oceanservice.noaa.gov 1 July 2025 en 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 123rd meridian west forms a great circle with the 57th meridian east.
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 123rd 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;" | 90 0 N 123 0 W type:waterbody Arctic Ocean
! scope="row" style="background:#b0e0e6;" | Arctic Ocean
| style="background:#b0e0e6;" |
|-
| 76 6 N 123 0 W type:country Canada
! scope="row" |
| Northwest Territories — Prince Patrick Island
|-
| style="background:#b0e0e6;" | 76 1 N 123 0 W type:waterbody M'Clure Strait
! scope="row" style="background:#b0e0e6;" | M'Clure Strait
| style="background:#b0e0e6;" |
|-
| 74 27 N 123 0 W type:country Canada
! scope="row" |
| Northwest Territories — Banks Island
|-
| style="background:#b0e0e6;" | 71 5 N 123 0 W type:waterbody Amundsen Gulf
! scope="row" style="background:#b0e0e6;" | Amundsen Gulf
| style="background:#b0e0e6;" |
|-valign="top"
| 69 49 N 123 0 W type:country Canada
! scope="row" |
| Northwest Territories — passing through the Great Bear Lake British Columbia — from 60 0 N 123 0 W type:adm1st British Columbia, passing just east of Vancouver (at 49 15 N 123 0 W type:city Vancouver)
|-
| style="background:#b0e0e6;" | 49 4 N 123 0 W type:waterbody Boundary Bay
! scope="row" style="background:#b0e0e6;" | Boundary Bay
| style="background:#b0e0e6;" |
|-
| 48 40 N 123 0 W type:country United States
! scope="row" |
| Washington — Orcas Island, Shaw Island and San Juan Island
|-
| style="background:#b0e0e6;" | 48 27 N 123 0 W type:waterbody Strait of Juan de Fuca
! scope="row" style="background:#b0e0e6;" | Strait of Juan de Fuca
| style="background:#b0e0e6;" |
|-
|48 5 N 123 0 W type:country United States
|
|Washington — Olympic Peninsula
|-
| style="background:#b0e0e6;" | 47 35 N 123 0 W type:waterbody Hood Canal
! scope="row" style="background:#b0e0e6;" | Hood Canal
| style="background:#b0e0e6;" |
|-
|47 32 N 123 0 W type:country United States
|
|Washington — Kitsap Peninsula
|-
| style="background:#b0e0e6;" | 47 23 N 123 0 W type:waterbody Hood Canal
! scope="row" style="background:#b0e0e6;" | Hood Canal
| style="background:#b0e0e6;" |
|- valign="top"
| 47 22 N 123 0 W type:country United States
! scope="row" |
| Washington Oregon — from 46 8 N 123 0 W type:adm1st Oregon, passing through Salem (at 44 56 N 123 0 W type:city Salem) California — from 42 1 N 123 0 W type:adm1st California
|-
| style="background:#b0e0e6;" | 38 18 N 123 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" |
|-
| 38 1 N 123 0 W type:country United States
! scope="row" |
| California — Point Reyes
|-
| style="background:#b0e0e6;" | 38 0 N 123 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" |
|-
| 37 42 N 123 0 W type:country United States
! scope="row" |
| California — Southeast Farallon Island
|-
| style="background:#b0e0e6;" | 37 42 N 123 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | 60 0 S 123 0 W type:waterbody Southern Ocean
! scope="row" style="background:#b0e0e6;" | Southern Ocean
| style="background:#b0e0e6;" |
|-
| 73 41 S 123 0 W type:country Antarctica
! scope="row" | Antarctica
| Unclaimed territory
|-
|}
See also
122nd meridian west
124th meridian west
References
collapsed
w123 meridian west