Seaquest State Park
A pedestrian tunnel connects lush, forested Seaquest State Park with its more well-known neighbor across the road, the Silver Lake Mount St. Helens Visitor Center. The park makes a topnotch base for an exploration of the famous Washington volcano.
The visitor center is a destination unto itself. Ranger talks, documentary film showings, naturalist-led hikes and interpretive exhibits bring to life the mountain's geology and history. It's a tour through time, from prehistory to the earth-altering 1980 explosion and the area's recovery.
Unwind from touring by strolling through Seaquest, where dappled sunlight streams through secondary old-growth trees. Hiking and biking trails abound, and a children's playground features a human-made sand dune that will keep kids occupied for hours. A trail and boardwalk around the wetlands of Silver Lake offer birding and volcano views.
If you're headed to the U.S. Forest Service's Johnston Ridge Observatory, this state park will leave you with a deep appreciation for the resilience of nature – and a new context for what you will see as you travel closer to the mountain.
Seaquest is a 505-acre, year-round camping park across the Spirit Lake Highway from the Mount St. Helens Visitor Center. Seasonal fishing, boating and swimming are available nearby.
Discover Pass: A Discover Pass is required for vehicle access to state parks for day use. For more information about the Discover Pass and exemptions, please visit the Discover Pass web page.
- Hiking trail
Use our interactive ADA recreation map to search for other state parks with ADA amenities and facilities.
Picnic & day-use facilities
There is one reservable kitchen shelter with electricity. The park also has 108 unsheltered picnic tables. Reservations can be made online or by calling (888) CAMPOUT or (888) 226-7688.
- 7 miles of hiking trails
- 1 mile of ADA-accessible hiking trails
- Bird watching
- Children's play areas (2)
- Horseshoe pits (6)
- Mount St. Helens Visitor Center
- Volleyball field
Mount St. Helens programs
The Mount St. Helens Visitor Center is located across the road from the park entrance. It was incorporated into the state park system in October 2000. The center focuses on information about the volcano and features a first-rate exhibition hall. Formal programs last approximately 15-20 minutes and introduce visitors to the ecology, history, native American culture as well as the 1980 eruption sequence of Mount St. Helens; the most active volcano in the Cascade Mountain Range. Visitors of all ages are welcome to join.
The closest public-access watercraft launch is operated by the Department of Fish and Wildlife. It is located 5 miles east of Seaquest on Highway 504.
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. Reservations are suggested in the summer.
Check-in time is 2:30 p.m.
Check-out time is 1 p.m.
The group camp offers a covered shelter for tables, a tent area, a fire pit, two braziers, and hose bib. Rates are $68.57 per night, with maximum capacity of 25 people. The camp is reservable May 15 through September 15. The remainder of the year, the group camp is available on a first-come, first-served basis.
The five yurts are situated in a wooded area of the park and are within walking distance of the Mount St. Helens Visitor Center. Each yurt is 16 feet in diameter by 10 feet high and is furnished with a queen-size futon, a bunk bed that sleeps three, small end table, 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, awnings are okay. For more information, visit the cabins / yurts page.
Reservations & fees
Seaquest State Parks lies within the traditional territory of multiple Native American tribes including the Cowlitz Indian Tribe and the Yakama Nation.
In 1870, Charles John Seaquest, a Swedish emigrant arrived in the Silver Lake area. He was issued a patent for a 159-acre homestead within the boundaries of the modern-day park on January 15, 1876. Seaquest and his wife, Caroline had two sons, Alfred and Charles Jr. In 1905, Seaquest died of heart failure, and Caroline passed in 1914. After the death of his brother in 1938, Alfred willed the land to state for use as a park upon his own death, which occurred in 1945. In his will, Alfred stipulated that alcohol never be sold in the park. Seaquest State Park was established that same year.
Since its opening, the park has expanded to over 400 acres through acquisition of additional lands from the Department of Natural Resources and private citizens.