91st meridian west

91°

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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	Arctic Ocean
81°49′N 91°0′W	Canada	Nunavut — Ellesmere Island
81°32′N 91°0′W	Nansen Sound
80°43′N 91°0′W	Canada	Nunavut — Axel Heiberg Island
78°8′N 91°0′W	Norwegian Bay
77°38′N 91°0′W	Canada	Nunavut — Graham Island and Buckingham Island
77°8′N 91°0′W	Norwegian Bay
76°39′N 91°0′W	Canada	Nunavut — Devon Island
74°42′N 91°0′W	Parry Channel	Barrow Strait
74°0′N 91°0′W	Canada	Nunavut — Somerset Island
73°27′N 91°0′W	Prince Regent Inlet
71°30′N 91°0′W	Gulf of Boothia
69°37′N 91°0′W	Canada	Nunavut — mainland
62°56′N 91°0′W	Hudson Bay
62°40′N 91°0′W	Canada	Nunavut — Marble Island
62°39′N 91°0′W	Hudson Bay
57°16′N 91°0′W	Canada	Manitoba Ontario — from 55°35′N 91°0′W
48°12′N 91°0′W	United States	Minnesota
47°28′N 91°0′W	Lake Superior
46°55′N 91°0′W	United States	Wisconsin Iowa — from 42°43′N 91°0′W Illinois — from 41°26′N 91°0′W Iowa — from 41°9′N 91°0′W Illinois — from 40°53′N 91°0′W Missouri — from 39°25′N 91°0′W Arkansas — from 36°30′N 91°0′W Mississippi — from 33°58′N 91°0′W Arkansas — for about 2 km from 33°47′N 91°0′W on Beulah Island Number 74 Mississippi — from 33°46′N 91°0′W Louisiana — from 32°26′N 91°0′W Mississippi — for about 4 km from 32°23′N 91°0′W Louisiana — from 32°21′N 91°0′W Mississippi — from 32°11′N 91°0′W Louisiana — from 31°0′N 91°0′W
29°10′N 91°0′W	Gulf of Mexico
19°7′N 91°0′W	Mexico	Campeche Tabasco — from 17°57′N 91°0′W, mostly running roughly parallel to the border with Guatemala, which is about 2 km further east
17°15′N 91°0′W	Guatemala
16°53′N 91°0′W	Mexico	Chiapas
16°4′N 91°0′W	Guatemala
13°55′N 91°0′W	Pacific Ocean	Passing just west of Pinta Island, Galápagos, Ecuador (at 0°36′N 90°47′W) Passing just west of Santiago Island, Galápagos, Ecuador (at 0°15′S 90°52′W)
0°23′S 91°0′W	Ecuador	Isabela Island, Galápagos
0°58′S 91°0′W	Pacific Ocean
60°0′S 91°0′W	Southern Ocean	Passing just west of Peter I Island, claimed by Norway (at 68°47′S 90°43′W)
72°32′S 91°0′W	Antarctica	Unclaimed territory

See also

• 90th meridian west
• 92nd meridian west