Driving Directions
Located six miles east of Castle Rock, Wash., on Silver Lake in Cowlitz County.
Park address:
3030 Spirit Lake Highway
Castle Rock, WA 98611
From I-5 north or south:
Take the Castle Rock exit (exit #49), onto Hwy. 504 east. Seaquest is located six miles east of the freeway on Hwy. 504.
Park Maps
To view campsites and facilities reservable at this park, visit the
reservation system and campsite maps.
Seaquest downloadable pdf map #1
List of all downloadable Washington State Park
maps.