129th meridian west

Line across the Earth
129°
129th meridian west ()

The meridian 129° west of Greenwich is a line of longitude[1] 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 129th meridian west forms a great circle with the 51st meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 129th meridian west passes through:

Co-ordinates Country, territory or sea Notes
90°0′N 129°0′W / 90.000°N 129.000°W / 90.000; -129.000 (Arctic Ocean) Arctic Ocean
75°25′N 129°0′W / 75.417°N 129.000°W / 75.417; -129.000 (Beaufort Sea) Beaufort Sea
69°55′N 129°0′W / 69.917°N 129.000°W / 69.917; -129.000 (Canada)  Canada Northwest Territories
Yukon — from 62°8′N 129°0′W / 62.133°N 129.000°W / 62.133; -129.000 (Yukon)
British Columbia — from 60°0′N 129°0′W / 60.000°N 129.000°W / 60.000; -129.000 (British Columbia), the mainland, and Maitland, Hawkesbury, Gribbell, Princess Royal and Aristazabal islands
52°28′N 129°0′W / 52.467°N 129.000°W / 52.467; -129.000 (Pacific Ocean) Pacific Ocean
60°0′S 129°0′W / 60.000°S 129.000°W / -60.000; -129.000 (Southern Ocean) Southern Ocean
74°19′S 129°0′W / 74.317°S 129.000°W / -74.317; -129.000 (Antarctica) Antarctica Unclaimed territory

See also

References

  1. ^ "What is longitude?". oceanservice.noaa.gov. Retrieved 1 July 2025.
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