Heavy forest cover defines the camping experience at Seaquest State Park, where dense canopy blocks solar panels and limits cell service to occasional bars of coverage. Located directly across Highway 504 from the Mount St. Helens Visitor Center, this Washington State Parks campground operates year-round with full hookups for RVs up to 50 feet and walk-in tent sites scattered through multiple loops.
The campground spans several distinct areas, each with different characteristics. Sites 55-76 sit closest to the highway and experience noticeable road noise, while the 32-54 loop offers better privacy and stronger WiFi signals in a more secluded setting. "Majority of sites are private," notes Ron G., though hookup sites tend to pack campers closer together. Group site 60/61 proves surprisingly small, barely accommodating three tents according to recent visitors.
An underground tunnel connects the campground to the visitor center, eliminating the need to cross busy Highway 504 on foot. The park features a large playground, multiple bathroom facilities with hot showers, and clearly marked trail entrances leading into surrounding forest. Junior Ranger programs run during summer months, often drawing 50 participants for evening presentations. A wetlands trail around Silver Lake provides ADA-accessible walking, while an open field offers space for stargazing away from tree cover.
Campers planning Mount St. Helens exploration find the location convenient, though reaching Johnston Ridge requires a 40-mile drive from the campground. "Trail entrances are clearly marked," observes Mary C., making day hikes accessible directly from camp. Castle Rock, three miles toward I-5, provides the nearest reliable cell data and dining options. Reservations are recommended during peak season, and the dump station serves both overnight guests and day-use visitors for a fee.
Description
Far in the Northwestern corner of the United States lies a world of magic, splendor, and mystical beauty. Perched atop the historical Mount St. Helens, Seaquest State Park is the home-base for thousands of volcanic visitors year round. Most notable for its proximity to the Mount St. Helens Visitors Center, this park is the home base for hikers, explorers, tourists, and adventures alike. It’s not just the volcanic aftermath that makes this area so special. Even before the eruption, Gifford-Pinchot National Forest has always been known for its dense foliage, as well as its beautiful lakes, tributaries, and waterfalls.
When it comes to nearby attractions, the area is packed with them. Miles and miles of trails fork and wind throughout the park. Beyond the confines of the park’s boundaries are numerous additional trailheads, all offering something unique to those seeking it. Perhaps the most popular trail nearby is the Monitor Ridge trail. This 10 miles round trip excursion will have you climbing 2,000 vertical ft. through grassy meadows and winding forest paths. The last 1,000 feet are especially difficult due to the volcanic debris and soot that cakes your clothes. However when you finally reach the domed summit, you’ll be pleased with your efforts. Massive and expansive, the St. Helens dome is unlike any other scenic viewpoint in the US. Nowhere else can you see the true force and impact of Mother Nature’s wrath.
Nearby, the Mount St. Helens Ape Caves give visitors a chance to traverse through the labyrinth of volcanic caves left behind by magma runs during the the eruption. Today, the caves are a popular attraction for families and explorers. There’s two separate options, one which is well-lit and suited for families. The other option will send you through a pitch black adventure trekking the depths of the craggy, drippy tunnels. If planning to visit, be sure to bring a strong flashlight or kerosene lantern, as you’ll be unable to enter otherwise.
Camping in Seaquest State Park is relatively painless thanks to the 52 standard campsites, 18 partial-hookup sites, and 15 full-service sites. RVers, tent campers, van travelers, and anyone else with a form of shelter should have no issues finding somewhere to stay here. Aside from standard camping accommodations, there are also full-service Yurts available for rental, complete with heaters to stay warm if you’re visiting in the chilly months.
RV Road Trip Guides
Map & DirectionsSeaquest State Park Campground is located in Washington near Silverlake
Coordinates
46.29763534 N
122.81862482 W
Connectivity
- T-MobileNo CoverageVerified by 3 usersLast on 5/8/26
- VerizonNo CoverageVerified by 1 userLast on 11/14/25
- AT&TNo CoverageVerified by 3 usersLast on 5/8/26
Connectivity
- T-MobileNo CoverageVerified by 3 usersLast on 5/8/26
- VerizonNo CoverageVerified by 1 userLast on 11/14/25
- AT&TNo CoverageVerified by 3 usersLast on 5/8/26
Access
- Drive-InPark next to your site
- Walk-InPark in a lot, walk to your site.
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
- Cabins
- Tent Cabin
- Yurts
- Equestrian
Features
For Campers
- Market
- ADA Access
- Trash
- Picnic Table
- Firewood Available
- Phone Service
- Reservable
- Showers
- Drinking Water
- Electric Hookups
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Sanitary Dump
- Sewer Hookups
- Water Hookups
- Pull-Through Sites
- 50 Amp Hookups
Drive Time
- 21 min from Longview, WA
- 54 min from Olympia, WA
- 54 min from Portland, OR
- 1 hr 44 min from Bremerton, WA













































