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.

99°

99th meridian west

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	Arctic Ocean
80°6′N 99°0′W	Canada	Nunavut — Meighen Island
79°43′N 99°0′W	Peary Channel
78°49′N 99°0′W	Hassel Sound
78°5′N 99°0′W	Canada	Nunavut — Ellef Ringnes Island
77°53′N 99°0′W	Unnamed waterbody
76°40′N 99°0′W	Canada	Nunavut — Ricards Island and Bathurst Island
75°0′N 99°0′W	Parry Channel	Passing just west of Young Island, Nunavut,  Canada (at 74°18′N 98°50′W) Passing just east of Hamilton Island, Nunavut,  Canada (at 74°11′N 99°8′W)
73°59′N 99°0′W	Canada	Nunavut — Russell Island, Mecham Island and Prince of Wales Island
71°24′N 99°0′W	Larsen Sound
69°58′N 99°0′W	Victoria Strait
69°9′N 99°0′W	Canada	Nunavut — King William Island
68°56′N 99°0′W	Queen Maud Gulf
68°4′N 99°0′W	Canada	Nunavut — O'Reilly Island
68°1′N 99°0′W	Queen Maud Gulf
67°43′N 99°0′W	Canada	Nunavut Manitoba — from 60°0′N 99°0′W, passing through Lake Winnipeg
49°0′N 99°0′W	United States	North Dakota South Dakota — from 45°56′N 99°0′W Nebraska — from 43°0′N 99°0′W Kansas — from 40°0′N 99°0′W Oklahoma — from 37°0′N 99°0′W Texas — from 34°13′N 99°0′W
26°23′N 99°0′W	Mexico	Tamaulipas Nuevo León — from 26°5′N 99°0′W Tamaulipas — from 25°4′N 99°0′W San Luis Potosí — from 22°34′N 99°0′W Hidalgo — from 21°17′N 99°0′W Mexico State — from 20°2′N 99°0′W Hidalgo — from 19°53′N 99°0′W Mexico State — from 19°49′N 99°0′W Federal District — from 19°22′N 99°0′W Morelos — from 19°5′N 99°0′W Puebla — from 18°23′N 99°0′W Guerrero — from 18°15′N 99°0′W Puebla — from 18°23′N 99°0′W
16°35′N 99°0′W	Pacific Ocean
60°0′S 99°0′W	Southern Ocean
71°40′S 99°0′W	Antarctica	Unclaimed territory

Preceded by 98th meridian west

99th meridian west forms a great circle with 81st meridian east

Succeeded by 100th meridian west