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166th meridian west
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Line of longitude
August 2025
-166
The meridian 166° 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 166th meridian west forms a great ellipse with the 14th meridian east.
From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 166th meridian west passes through:
{| class="wikitable plainrowheaders"
! scope="col" width="130" | Co-ordinates
! scope="col" width="120" | Country, territory or sea
! scope="col" | Notes
|-
| style="background:#b0e0e6;" | 90 0 N 166 0 W type:waterbody Arctic Ocean
! scope="row" style="background:#b0e0e6;" | Arctic Ocean
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | 71 47 N 166 0 W type:waterbody Chukchi Sea
! scope="row" style="background:#b0e0e6;" | Chukchi Sea
| style="background:#b0e0e6;" |
|-
| 68 52 N 166 0 W type:country United States
! scope="row" |
| Alaska
|-
| style="background:#b0e0e6;" | 68 10 N 166 0 W type:waterbody Chukchi Sea
! scope="row" style="background:#b0e0e6;" | Chukchi Sea
| style="background:#b0e0e6;" |
|-
| style="background:#b0e0e6;" | 66 33 N 166 0 W type:waterbody Bering Sea
! scope="row" style="background:#b0e0e6;" | Bering Sea
| style="background:#b0e0e6;" |
|-
| 66 16 N 166 0 W type:country United States
! scope="row" |
| Alaska — Seward Peninsula
|-
| style="background:#b0e0e6;" | 68 10 N 166 0 W type:waterbody Bering Sea
! scope="row" style="background:#b0e0e6;" | Bering Sea
| style="background:#b0e0e6;" | Passing just east of Sledge Island, Alaska, (at 64 29 N 166 11 W type:isle Sledge Island)
|-
| 62 3 N 166 0 W type:country United States
! scope="row" |
| Alaska — Krekatok Island, Neragon Island and the mainland
|-
| style="background:#b0e0e6;" | 61 32 N 166 0 W type:waterbody Bering Sea
! scope="row" style="background:#b0e0e6;" | Bering Sea
| style="background:#b0e0e6;" |
|-
| 60 19 N 166 0 W type:country United States
! scope="row" |
| Alaska — Nunivak Island
|-
| style="background:#b0e0e6;" | 59 52 N 166 0 W type:waterbody Bering Sea
! scope="row" style="background:#b0e0e6;" | Bering Sea
| style="background:#b0e0e6;" |
|-
| 54 11 N 166 0 W type:country United States
! scope="row" |
| Alaska — Akutan Island
|-valign="top"
| style="background:#b0e0e6;" | 54 3 N 166 0 W type:waterbody Pacific Ocean
! scope="row" style="background:#b0e0e6;" | Pacific Ocean
| style="background:#b0e0e6;" | Passing just east of Unalga Island, Alaska, (at 53 58 N 166 5 W type:isle Unalga Island) Passing just east of Sedanka Island, Alaska, (at 53 50 N 166 5 W type:isle Sedanka Island) Passing just east of the French Frigate Shoals, Hawaii, (at 23 45 N 166 3 W type:isle French Frigate Shoals) Passing just west of Pukapuka atoll, (at 10 55 S 165 52 W type:isle Pukapuka)
|-
| style="background:#b0e0e6;" | 60 0 S 166 0 W type:waterbody Southern Ocean
! scope="row" style="background:#b0e0e6;" | Southern Ocean
| style="background:#b0e0e6;" |
|-
| 78 28 S 166 0 W type:country Antarctica
! scope="row" | Antarctica
| Ross Dependency, claimed by
|-
|}
See also
165th meridian west
167th meridian west
References
collapsed
w166 meridian west