91st meridian west

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Line across the Earth
91°
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[edit]

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 NunavutEllesmere 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 NunavutAxel 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 NunavutGraham 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 NunavutDevon 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 NunavutSomerset 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 NunavutMarble 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

See also[edit]