- Skamokawa Valley is a census-designated place (CDP) in Wahkiakum County, Washington, north of the town of Cathlamet. As of the 2020 census, Skamokawa Valley had a population of 487. The CDP includes the Sleepy Hollow community. The Skamokawa Valley community is part of the Wahkiakum School District, a K-12 school district of about 430 students. The unincorporated community of Skamokawa lies directly to the south.
- Pend Oreille County, Washington (data.census.gov)
Pend Oreille County, Washington has 1,400.2 square miles of land area and is the 25th largest county in Washington by total area. Pend Oreille County, Washington is bordered by Boundary County, Idaho, Stevens County, Washington, Spokane County, Washington, and Bonner County, Idaho.