Plain is a small unincorporated community in Chelan County, Washington, United States.

[1] It is located east of Coles Corner, Washington, near U.S. Route 2 and SR 207.

A post office called Plain was established in 1913, and remained in operation until 1936.

[5] This resulted in only four total finishers of the 100-mile race during the first eight years of its existence.

This Chelan County, Washington state location article is a stub.