RV rental Seaquest State Park, WA: Motorhome rentals, camper van rentals and more

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Seaquest State Park is a 505-acre park in Cowlitz County, Washington. It’s situated next to Silver Lake and is known for housing the Mount St. Helens Visitor Center. In addition to this, the park is filled with wetlands and forests and has slight views of the magnificent Mount St. Helens.

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Getting Outdoors

This 475-acre park offers many outdoor activities for visitors to do. For those who want to get out on the water, you could head over to Silver Lake to go kayaking, boating, or paddleboarding. However, the watercraft launch for the lake is located above five miles away on Highway 504, so you’ll need to take your campervan rental from Seaquest State Park on a quick journey to reach it. The water also tends to be a little chilly, therefore be careful if you plan to go out on it.

Camping at Seaquest State Park

Those with an RV can easily book an RV in Cowlitz County at Seaquest State Park. The campground features 18 partial hookups and 15 full hookups. The maximum length for these motorhome camping sites is 50 feet. The sites have electric options, a dump station, and bathrooms with showers that are ADA-accessible.

Exploring the Area

Campers will find a handful of interesting places to venture to with their Seaquest State Park travel trailer rental. Percival Landing Park is about an hour away in Olympia and overlooks Budd Bay. It features a one-mile boardwalk that will take you by boats and restaurants. The park is also situated near many unique shops and historic buildings. It hosts many music and art festivals throughout the year.

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Popular nearby hiking trails and campgrounds

  • Hiking TrailLocation
  • Seaquest State Park Loop Trail, WASeaquest State Park, WA
  • Spirit Lake Memorial Highway to Mount St. Helens, WACastle Rock, WA
  • Cowlitz River Trail, WAKelso, WA
  • Lake Sacajawea Park Trail, WALongview, WA
  • Lewis County Historical Cruise, WAChehalis, WA
  • White Pass Scenic Byway, WAGifford Pinchot National Forest, WA
  • Mill Creek Truck Trail, WALongview, WA
  • Beaver Falls Trail, ORClatskanie, OR
  • Anunde Island Kayak Loop, ORClatskanie, OR
  • Willapa Hills Trail , WAChehalis, WA

Recent RV rental reviews in Seaquest State Park

Lee B.

October, 2025

Fantastic experience and an incredible RV! We chose this one over other options because we wanted something newer with all the bells and whistles—and it absolutely delivered. Everything worked perfectly, and Mahdi (the owner) was great to work with—friendly, responsive, and accommodating. He even went above and beyond by getting a dog bed ready for our pup and leaving a few thoughtful welcome gifts. The only minor downside was the cost of the Uber rides to and from the airport, which ran about $70 each way. Otherwise, everything was perfect!
Amanda T.

October, 2025

The camper was cozy, fresh, and in great condition; amenities provided were perfect for the 2 of us. The fireplace warmed the spot up quickly. We drove cross-state for a wkend event at Washougal and chose delivery. Courtney and husband were very friendly, responsive and catering!
Laura K.

October, 2025

The experience was wonderful. The RV needs a little work but we enjoyed ourselves.

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