# 115th meridian west

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The meridian 115° 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 115th meridian west forms a great circle with the 65th meridian east.
Between the equator and the 60th parallel south it forms the eastern boundary of the South Pacific Nuclear-Weapon-Free Zone and the western boundary of the Latin American Nuclear-Weapon-Free Zone.

## From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 115th meridian west passes through:
    Co-ordinates Country, territory or sea Notes 90°0′N 115°0′W﻿ / ﻿90.000°N 115.000°W﻿ / 90.000; -115.000﻿ (Arctic Ocean) Arctic Ocean 77°58′N 115°0′W﻿ / ﻿77.967°N 115.000°W﻿ / 77.967; -115.000﻿ (Canada)  Canada Northwest Territories — Brock Island 77°55′N 115°0′W﻿ / ﻿77.917°N 115.000°W﻿ / 77.917; -115.000﻿ (Ballantyne Strait) Ballantyne Strait 77°19′N 115°0′W﻿ / ﻿77.317°N 115.000°W﻿ / 77.317; -115.000 Unnamed waterbody Passing just west of Emerald Isle, Northwest Territories, Canada at 76°47′N 114°50′W﻿ / ﻿76.783°N 114.833°W﻿ / 76.783; -114.833﻿ (Emerald Island) 76°28′N 115°0′W﻿ / ﻿76.467°N 115.000°W﻿ / 76.467; -115.000﻿ (Canada)  Canada Northwest Territories — Melville Island 74°58′N 115°0′W﻿ / ﻿74.967°N 115.000°W﻿ / 74.967; -115.000﻿ (M'Clure Strait) M'Clure Strait 73°18′N 115°0′W﻿ / ﻿73.300°N 115.000°W﻿ / 73.300; -115.000﻿ (Canada)  Canada Northwest Territories — Victoria Island 70°36′N 115°0′W﻿ / ﻿70.600°N 115.000°W﻿ / 70.600; -115.000﻿ (Prince Albert Sound) Prince Albert Sound 70°17′N 115°0′W﻿ / ﻿70.283°N 115.000°W﻿ / 70.283; -115.000﻿ (Canada)  Canada Northwest Territories — Victoria Island Nunavut — from 70°0′N 115°0′W﻿ / ﻿70.000°N 115.000°W﻿ / 70.000; -115.000﻿ (Nunavut) on Victoria Island 68°52′N 115°0′W﻿ / ﻿68.867°N 115.000°W﻿ / 68.867; -115.000﻿ (Dolphin and Union Strait) Dolphin and Union Strait 70°17′N 115°0′W﻿ / ﻿70.283°N 115.000°W﻿ / 70.283; -115.000﻿ (Canada)  Canada Nunavut - mainland 68°10′N 115°0′W﻿ / ﻿68.167°N 115.000°W﻿ / 68.167; -115.000﻿ (Coronation Gulf) Coronation Gulf 67°48′N 115°0′W﻿ / ﻿67.800°N 115.000°W﻿ / 67.800; -115.000﻿ (Canada)  Canada Nunavut Northwest Territories — from 66°16′N 115°0′W﻿ / ﻿66.267°N 115.000°W﻿ / 66.267; -115.000﻿ (Nunavut), passing through the Great Slave Lake Alberta — from 60°0′N 115°0′W﻿ / ﻿60.000°N 115.000°W﻿ / 60.000; -115.000﻿ (Alberta) British Columbia — from 50°34′N 115°0′W﻿ / ﻿50.567°N 115.000°W﻿ / 50.567; -115.000﻿ (British Columbia) 49°0′N 115°0′W﻿ / ﻿49.000°N 115.000°W﻿ / 49.000; -115.000﻿ (United States)  United States Montana Idaho — from 46°58′N 115°0′W﻿ / ﻿46.967°N 115.000°W﻿ / 46.967; -115.000﻿ (Idaho) Nevada — from 42°0′N 115°0′W﻿ / ﻿42.000°N 115.000°W﻿ / 42.000; -115.000﻿ (Nevada), passing just east of Las Vegas at 36°10′N 115°8′W﻿ / ﻿36.167°N 115.133°W﻿ / 36.167; -115.133 California — from 35°17′N 115°0′W﻿ / ﻿35.283°N 115.000°W﻿ / 35.283; -115.000﻿ (California) 32°42′N 115°0′W﻿ / ﻿32.700°N 115.000°W﻿ / 32.700; -115.000﻿ (Mexico)  Mexico Baja California Sonora — for about 12 km from 32°18′N 115°0′W﻿ / ﻿32.300°N 115.000°W﻿ / 32.300; -115.000﻿ (Sonara) Baja California — from 32°11′N 115°0′W﻿ / ﻿32.183°N 115.000°W﻿ / 32.183; -115.000﻿ (Baja California) Sonora — for about 2 km from 31°59′N 115°0′W﻿ / ﻿31.983°N 115.000°W﻿ / 31.983; -115.000﻿ (Sonara) Baja California — from 31°56′N 115°0′W﻿ / ﻿31.933°N 115.000°W﻿ / 31.933; -115.000﻿ (Baja California) 29°23′N 115°0′W﻿ / ﻿29.383°N 115.000°W﻿ / 29.383; -115.000﻿ (Pacific Ocean) Pacific Ocean Sebastián Vizcaíno Bay, passing just east of Cedros Island, Mexico at 38°10′N 115°9′W﻿ / ﻿38.167°N 115.150°W﻿ / 38.167; -115.150﻿ (Cedros Island) 27°50′N 115°0′W﻿ / ﻿27.833°N 115.000°W﻿ / 27.833; -115.000﻿ (Mexico)  Mexico Baja California Sur 27°43′N 115°0′W﻿ / ﻿27.717°N 115.000°W﻿ / 27.717; -115.000﻿ (Pacific Ocean) Pacific Ocean Passing just west of Clarion Island, Mexico at 18°21′N 114°47′W﻿ / ﻿18.350°N 114.783°W﻿ / 18.350; -114.783﻿ (Clarion Island) 60°0′S 115°0′W﻿ / ﻿60.000°S 115.000°W﻿ / -60.000; -115.000﻿ (Southern Ocean) Southern Ocean 74°2′S 115°0′W﻿ / ﻿74.033°S 115.000°W﻿ / -74.033; -115.000﻿ (Antarctica) Antarctica Unclaimed territory