- Located six miles east of Castle Rock, WA
- State Parks
Seaquest State Park is a 475-acre, year-round camping park near Mount St. Helens. The beautifully forested park claims over a mile of Silver Lake shoreline, a shallow wetland lake. Enjoy one mile of wetland trail and six miles of woodland trails for hiking and bicycling; see spectacular views of wildlife, Silver Lake and the surrounding area. There are also children's play areas and playing fields. Great seasonal fishing, boating and swimming are available nearby.A vehicle parking permit is no longer required for day visits.
Hours + Fees
Summer: 8 a.m. to dusk.Winter: 8 a.m. to dusk.
Map + Directions
Located six miles east of Castle Rock, Wash., on Silver Lake.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.