Skamokawa Valley CDP, Washington (data.census.gov) Skamokawa Valley CDP, Washington is a city, town, place equivalent, or township located in Washington. Skamokawa Valley CDP, Washington has a land area of 28.2 square miles.
The park sits on a ridge that runs parallel to the Snohomish River. The ridge, which reaches nearly 800 feet (240 m) at Bald Hill, consists of vertical basalt outcroppings that rise from the river floor.