91st meridian west
# 91st meridian west

The meridian 91° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, Central America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 91st meridian west forms a great circle with the 89th meridian east.

## From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 91st meridian west passes through:

    Co-ordinates Country, territory or sea Notes 90°0′N 91°0′W﻿ / ﻿90.000°N 91.000°W﻿ / 90.000; -91.000﻿ (Arctic Ocean) Arctic Ocean 81°49′N 91°0′W﻿ / ﻿81.817°N 91.000°W﻿ / 81.817; -91.000﻿ (Canada)  Canada Nunavut — Ellesmere Island 81°32′N 91°0′W﻿ / ﻿81.533°N 91.000°W﻿ / 81.533; -91.000﻿ (Nansen Sound) Nansen Sound 80°43′N 91°0′W﻿ / ﻿80.717°N 91.000°W﻿ / 80.717; -91.000﻿ (Canada)  Canada Nunavut — Axel Heiberg Island 78°8′N 91°0′W﻿ / ﻿78.133°N 91.000°W﻿ / 78.133; -91.000﻿ (Norwegian Bay) Norwegian Bay 77°38′N 91°0′W﻿ / ﻿77.633°N 91.000°W﻿ / 77.633; -91.000﻿ (Canada)  Canada Nunavut — Graham Island and Buckingham Island 77°8′N 91°0′W﻿ / ﻿77.133°N 91.000°W﻿ / 77.133; -91.000﻿ (Norwegian Bay) Norwegian Bay 76°39′N 91°0′W﻿ / ﻿76.650°N 91.000°W﻿ / 76.650; -91.000﻿ (Canada)  Canada Nunavut — Devon Island 74°42′N 91°0′W﻿ / ﻿74.700°N 91.000°W﻿ / 74.700; -91.000﻿ (Parry Channel) Parry Channel Barrow Strait 74°0′N 91°0′W﻿ / ﻿74.000°N 91.000°W﻿ / 74.000; -91.000﻿ (Canada)  Canada Nunavut — Somerset Island 73°27′N 91°0′W﻿ / ﻿73.450°N 91.000°W﻿ / 73.450; -91.000﻿ (Prince Regent Inlet) Prince Regent Inlet 71°30′N 91°0′W﻿ / ﻿71.500°N 91.000°W﻿ / 71.500; -91.000﻿ (Gulf of Boothia) Gulf of Boothia 69°37′N 91°0′W﻿ / ﻿69.617°N 91.000°W﻿ / 69.617; -91.000﻿ (Canada)  Canada Nunavut — mainland 62°56′N 91°0′W﻿ / ﻿62.933°N 91.000°W﻿ / 62.933; -91.000﻿ (Hudson Bay) Hudson Bay 62°40′N 91°0′W﻿ / ﻿62.667°N 91.000°W﻿ / 62.667; -91.000﻿ (Canada)  Canada Nunavut — Marble Island 62°39′N 91°0′W﻿ / ﻿62.650°N 91.000°W﻿ / 62.650; -91.000﻿ (Hudson Bay) Hudson Bay 57°16′N 91°0′W﻿ / ﻿57.267°N 91.000°W﻿ / 57.267; -91.000﻿ (Canada)  Canada Manitoba Ontario — from 55°35′N 91°0′W﻿ / ﻿55.583°N 91.000°W﻿ / 55.583; -91.000﻿ (Ontario) 48°12′N 91°0′W﻿ / ﻿48.200°N 91.000°W﻿ / 48.200; -91.000﻿ (United States)  United States Minnesota 47°28′N 91°0′W﻿ / ﻿47.467°N 91.000°W﻿ / 47.467; -91.000﻿ (Lake Superior) Lake Superior 46°55′N 91°0′W﻿ / ﻿46.917°N 91.000°W﻿ / 46.917; -91.000﻿ (United States)  United States Wisconsin Iowa — from 42°43′N 91°0′W﻿ / ﻿42.717°N 91.000°W﻿ / 42.717; -91.000﻿ (Iowa) Illinois — from 41°26′N 91°0′W﻿ / ﻿41.433°N 91.000°W﻿ / 41.433; -91.000﻿ (Illinois) Iowa — from 41°9′N 91°0′W﻿ / ﻿41.150°N 91.000°W﻿ / 41.150; -91.000﻿ (Iowa) Illinois — from 40°53′N 91°0′W﻿ / ﻿40.883°N 91.000°W﻿ / 40.883; -91.000﻿ (Illinois) Missouri — from 39°25′N 91°0′W﻿ / ﻿39.417°N 91.000°W﻿ / 39.417; -91.000﻿ (Missouri) Arkansas — from 36°30′N 91°0′W﻿ / ﻿36.500°N 91.000°W﻿ / 36.500; -91.000﻿ (Arkansas) Mississippi — from 33°58′N 91°0′W﻿ / ﻿33.967°N 91.000°W﻿ / 33.967; -91.000﻿ (Mississippi) Arkansas — for about 2 km from 33°47′N 91°0′W﻿ / ﻿33.783°N 91.000°W﻿ / 33.783; -91.000﻿ (Arkansas) on Beulah Island Number 74 Mississippi — from 33°46′N 91°0′W﻿ / ﻿33.767°N 91.000°W﻿ / 33.767; -91.000﻿ (Mississippi) Louisiana — from 32°26′N 91°0′W﻿ / ﻿32.433°N 91.000°W﻿ / 32.433; -91.000﻿ (Louisiana) Mississippi — for about 4 km from 32°23′N 91°0′W﻿ / ﻿32.383°N 91.000°W﻿ / 32.383; -91.000﻿ (Mississippi) Louisiana — from 32°21′N 91°0′W﻿ / ﻿32.350°N 91.000°W﻿ / 32.350; -91.000﻿ (Louisiana) Mississippi — from 32°11′N 91°0′W﻿ / ﻿32.183°N 91.000°W﻿ / 32.183; -91.000﻿ (Mississippi) Louisiana — from 31°0′N 91°0′W﻿ / ﻿31.000°N 91.000°W﻿ / 31.000; -91.000﻿ (Louisiana) 29°10′N 91°0′W﻿ / ﻿29.167°N 91.000°W﻿ / 29.167; -91.000﻿ (Gulf of Mexico) Gulf of Mexico 19°7′N 91°0′W﻿ / ﻿19.117°N 91.000°W﻿ / 19.117; -91.000﻿ (Mexico)  Mexico Campeche Tabasco — from 17°57′N 91°0′W﻿ / ﻿17.950°N 91.000°W﻿ / 17.950; -91.000﻿ (Tabasco), mostly running roughly parallel to the border with Guatemala, which is about 2 km further east 17°15′N 91°0′W﻿ / ﻿17.250°N 91.000°W﻿ / 17.250; -91.000﻿ (Guatemala)  Guatemala 16°53′N 91°0′W﻿ / ﻿16.883°N 91.000°W﻿ / 16.883; -91.000﻿ (Mexico)  Mexico Chiapas 16°4′N 91°0′W﻿ / ﻿16.067°N 91.000°W﻿ / 16.067; -91.000﻿ (Guatemala)  Guatemala 13°55′N 91°0′W﻿ / ﻿13.917°N 91.000°W﻿ / 13.917; -91.000﻿ (Pacific Ocean) Pacific Ocean Passing just west of Pinta Island, Galápagos, Ecuador (at 0°36′N 90°47′W﻿ / ﻿0.600°N 90.783°W﻿ / 0.600; -90.783﻿ (Pinta Island)) Passing just west of Santiago Island, Galápagos, Ecuador (at 0°15′S 90°52′W﻿ / ﻿0.250°S 90.867°W﻿ / -0.250; -90.867﻿ (Santiago Island)) 0°23′S 91°0′W﻿ / ﻿0.383°S 91.000°W﻿ / -0.383; -91.000﻿ (Ecuador)  Ecuador Isabela Island, Galápagos 0°58′S 91°0′W﻿ / ﻿0.967°S 91.000°W﻿ / -0.967; -91.000﻿ (Pacific Ocean) Pacific Ocean 60°0′S 91°0′W﻿ / ﻿60.000°S 91.000°W﻿ / -60.000; -91.000﻿ (Southern Ocean) Southern Ocean Passing just west of Peter I Island, claimed by Norway (at 68°47′S 90°43′W﻿ / ﻿68.783°S 90.717°W﻿ / -68.783; -90.717﻿ (Peter I Island)) 72°32′S 91°0′W﻿ / ﻿72.533°S 91.000°W﻿ / -72.533; -91.000﻿ (Antarctica) Antarctica Unclaimed territory
