99°

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99th meridian west

The meridian 99° 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 99th meridian west forms a great circle with the 81st meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 99th meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 99°0′W / 90.000°N 99.000°W / 90.000; -99.000 (Arctic Ocean)	Arctic Ocean
80°6′N 99°0′W / 80.100°N 99.000°W / 80.100; -99.000 (Canada)	Canada	Nunavut — Meighen Island
79°43′N 99°0′W / 79.717°N 99.000°W / 79.717; -99.000 (Peary Channel)	Peary Channel
78°49′N 99°0′W / 78.817°N 99.000°W / 78.817; -99.000 (Hassel Sound)	Hassel Sound
78°5′N 99°0′W / 78.083°N 99.000°W / 78.083; -99.000 (Canada)	Canada	Nunavut — Ellef Ringnes Island
77°53′N 99°0′W / 77.883°N 99.000°W / 77.883; -99.000	Unnamed waterbody
76°40′N 99°0′W / 76.667°N 99.000°W / 76.667; -99.000 (Canada)	Canada	Nunavut — Ricards Island and Bathurst Island
75°0′N 99°0′W / 75.000°N 99.000°W / 75.000; -99.000 (Parry Channel)	Parry Channel	Passing just west of Young Island, Nunavut,   Canada (at 74°18′N 98°50′W / 74.300°N 98.833°W / 74.300; -98.833 (Young Island)) Passing just east of Hamilton Island, Nunavut,   Canada (at 74°11′N 99°8′W / 74.183°N 99.133°W / 74.183; -99.133 (Hamilton Island))
73°59′N 99°0′W / 73.983°N 99.000°W / 73.983; -99.000 (Canada)	Canada	Nunavut — Russell Island, Mecham Island and Prince of Wales Island
71°24′N 99°0′W / 71.400°N 99.000°W / 71.400; -99.000 (Larsen Sound)	Larsen Sound
69°58′N 99°0′W / 69.967°N 99.000°W / 69.967; -99.000 (Victoria Strait)	Victoria Strait
69°9′N 99°0′W / 69.150°N 99.000°W / 69.150; -99.000 (Canada)	Canada	Nunavut — King William Island
68°56′N 99°0′W / 68.933°N 99.000°W / 68.933; -99.000 (Queen Maud Gulf)	Queen Maud Gulf
68°4′N 99°0′W / 68.067°N 99.000°W / 68.067; -99.000 (Canada)	Canada	Nunavut — O'Reilly Island
68°1′N 99°0′W / 68.017°N 99.000°W / 68.017; -99.000 (Queen Maud Gulf)	Queen Maud Gulf
67°43′N 99°0′W / 67.717°N 99.000°W / 67.717; -99.000 (Canada)	Canada	Nunavut Manitoba — from 60°0′N 99°0′W / 60.000°N 99.000°W / 60.000; -99.000 (Manitoba), passing through Lake Winnipeg
49°0′N 99°0′W / 49.000°N 99.000°W / 49.000; -99.000 (United States)	United States	North Dakota South Dakota — from 45°56′N 99°0′W / 45.933°N 99.000°W / 45.933; -99.000 (South Dakota) Nebraska — from 43°0′N 99°0′W / 43.000°N 99.000°W / 43.000; -99.000 (Nebraska) Kansas — from 40°0′N 99°0′W / 40.000°N 99.000°W / 40.000; -99.000 (Kansas) Oklahoma — from 37°0′N 99°0′W / 37.000°N 99.000°W / 37.000; -99.000 (Oklahoma) Texas — from 34°13′N 99°0′W / 34.217°N 99.000°W / 34.217; -99.000 (Texas)
26°23′N 99°0′W / 26.383°N 99.000°W / 26.383; -99.000 (Mexico)	Mexico	Tamaulipas Nuevo León — from 26°5′N 99°0′W / 26.083°N 99.000°W / 26.083; -99.000 (Nuevo León) Tamaulipas — from 25°4′N 99°0′W / 25.067°N 99.000°W / 25.067; -99.000 (Tamaulipas) San Luis Potosí — from 22°34′N 99°0′W / 22.567°N 99.000°W / 22.567; -99.000 (San Luis Potosí) Hidalgo — from 21°17′N 99°0′W / 21.283°N 99.000°W / 21.283; -99.000 (Hidalgo) State of Mexico — from 20°2′N 99°0′W / 20.033°N 99.000°W / 20.033; -99.000 (State of Mexico) Hidalgo — from 19°53′N 99°0′W / 19.883°N 99.000°W / 19.883; -99.000 (Hidalgo) State of Mexico — from 19°49′N 99°0′W / 19.817°N 99.000°W / 19.817; -99.000 (State of Mexico) Mexico City — from 19°22′N 99°0′W / 19.367°N 99.000°W / 19.367; -99.000 (Mexico City) Morelos — from 19°5′N 99°0′W / 19.083°N 99.000°W / 19.083; -99.000 (Morelos) Puebla — from 18°23′N 99°0′W / 18.383°N 99.000°W / 18.383; -99.000 (Puebla) Guerrero — from 18°15′N 99°0′W / 18.250°N 99.000°W / 18.250; -99.000 (Guerrero)
16°35′N 99°0′W / 16.583°N 99.000°W / 16.583; -99.000 (Pacific Ocean)	Pacific Ocean
60°0′S 99°0′W / 60.000°S 99.000°W / -60.000; -99.000 (Southern Ocean)	Southern Ocean
71°40′S 99°0′W / 71.667°S 99.000°W / -71.667; -99.000 (Antarctica)	Antarctica	Unclaimed territory

See also

• 98th meridian west
• 100th meridian west