Fishtrap is an extinct town in Lincoln County, in the U.S. state of Washington. The GNIS classifies it as a populated place.
A post office called Fishtrap was established in 1906, and remained in operation until 1936. The community took its name from Fishtrap Lake, which was named by Indians who often caught fish there.
References
Fishtrap, Washington Wikipedia(Text) CC BY-SA