Nighthawk is an unincorporated community on the Similkameen River in Okanogan County, Washington, United States.
[1] Another source says that it was named after the nighthawks common to the area.
[2] Nighthawk is a (mostly former) logging area along Loomis–Oroville Highway west-northwest of Oroville, Washington.
Nighthawk is located along the former Great Northern Railroad (now BNSF).
This Okanogan County, Washington state location article is a stub.