Sunnydale is an unincorporated community in Thurston County, in the U.S. state of Washington.

[1] The community is situated on Old Highway 99 between Grand Mound and Tenino.

Sunnydale took its name from a nearby poultry farm.

[2] Millersylvania State Park is north of the area, and Sunnydale lies east of the Scatter Creek Wildlife Recreation Area.

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