Burn Ban Level 2

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Wood fires restricted to fire pits in designated areas. Gas and propane allowed. Charcoal may be restricted.

Part of the Park is Closed

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The Mount Saint Helens Visitor Center will be temporarily closed from Sept. 30, 2024 to mid-May 2025 for a complete update of its exhibits. The Wetland Haven Trail on Silver Lake and the parking lot will remain open.  Please call (360) 274-0962 or email silver.lake@parks.wa.gov for updates on interpretive programming outdoors this winter and spring.

Construction

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Construction Start Date: September 15th 2024 through middle of October 2024, Seaquest Park Campground and Day Use areas will be
CLOSED for scheduled construction and repaving.  All camping and day-use activities, including hiking, will be unavailable during this time. 

water with trees reflecting off a boardwalk with distant view of Mt. St. Helens Volcano shrouded with fog
Campers picnic at a campsite at Seaquest State Park
Tall pine trees with blue sky above
Primitive trail sign showing the way to the hiking trail
Yurt covered in snow surrounded by tall evergreen trees

Seaquest State Park

3030 Spirit Lake Highway, Castle Rock, WA 98611

Seaquest is a 475-acre, year-round camping park set among lush pines in the shadow of the storied Mount. St. Helen's volcano. Seaquest Park boasts forested campgrounds, great hiking trails and stunning mountain panoramas. Next door to the campground is Silver Lake. The park is connected to the popular Mount St. Helen's Interpretive Center, another worthwhile destination, and Silver Lake by a pedestrian tunnel which leads you to a boardwalk trail over the wetland where ducks and other wildlife thrive.

Rules

  • Dogs Allowed on Leash
  • Fires Allowed in Designated Areas

Activities

Biking

Camping

First Day Hike Events

Hiking, Walking, Rolling and Running

Interpretive and Visitor Centers

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Kayaking

Amenities

Accessible Campsites

Accessible Restrooms

Drinking Water

Double campsites

Fire Pit

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Firewood

Park Ranger Station

Recycling

Restrooms

Showers

Trash Service

Wi-Fi

Kitchen Shelter

Picnic Shelters

Picnic Tables

Accessible Parking

Parking

Trailer Dump

Horseshoe Pits

Playgrounds

Volleyball

Amphitheater

Boardwalk

Interpretive Opportunities

Accessible Trails

Hiking Trails

Park features

Forest

Freshwater

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Lake

Mountain View

Seasonal Wildflowers

Wetland

Wildlife Viewing

Rules

  • Dogs Allowed on Leash
  • Fires Allowed in Designated Areas

Map & visitor guide

46.3005, -122.8174

Interpretive opportunities

Seaquest is connected to the Mount St. Helens Interpretive Center by a short pedestrian tunnel. The Interpretive Center features a fun, interactive educational experience focusing on the May 1980 eruption of Mount St. Helens and subsequent regrowth. It also offers visitors a sweeping view of Mount St. Helen's National Volcanic Monument, 47 miles east of the park in the Gifford Pinchot National Forest.

Trails

Seaquest features more than 12 miles of hiking trails. A boardwalk trail beside the Interpretive Center connects visitors with wetland shoreline for an unobstructed view the volcano and surrounding woods.

Birdwatching

Silver Lake at Seaquest is a shallow wetland lake that is home to many species of birds and wildlife.  

Campsite information

The park has 52 standard campsites, 18 partial hookup sites, 15 full hookups sites, three hiker/biker sites, one dump station, five restrooms (four ADA), and six ADA showers. Maximum site length is 50 feet (may have limited availability). The north, south, and mid-camp loops are in forest settings. Full hookup sites are available in the T-loop only. We suggest making reservations in the summer.

Winter Schedule

Learn about seasonal closers and operational changes during the off-season on the Winter Schedule page.

Day Use Shelter

Located in the day-use area is a picnic shelter that can accommodate large groups. Reserve the shelter on the reservation site, under Day Use.

Group accommodations

The group camp for up to 25 visitors offers a covered shelter for tables, a tent area, a fire pit, two braziers, and hose bib. The camp is reservable May 15 - Sept. 15. The remainder of the year, the group camp is available on a first-come, first-served basis. To make a reservation call (888) 226-7688

Other overnight accommodations

The park has five yurts located in a wooded area of the park. Each yurt features sleeping accommodations for up to five visitors, a small end table, a 20 amp electrical outlet and heater. Outside is a picnic table and fire pit with grate. All yurts are heated, but visitors should take along blankets and warm clothing as evenings can be cool. Tents are not allowed on the yurt site, but awnings are okay. For more information, visit the cabins/yurts page.

Boating

A public access watercraft launch operated by the Department of Fish and Wildlife is located five miles east of the park on State Route 504.