The meridian 122° 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.
122°W is the Seventh Meridian of the Dominion Land Survey in Canada.
The 122nd meridian west forms a great circle with the 58th meridian east.
122nd meridian west Wikipedia
Starting at the North Pole and heading south to the South Pole, the 122nd meridian west passes through: