RV rental Castle Rock, WA: Motorhome rentals, camper van rentals and more

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Discover Castle Rock RV rentals for memorable road trips

In the hills of southern Washington along the Interstate 5 corridor, the charming town of Castle Rock welcomes both visitors and those just passing through. The town is located firmly in the heart of timber country, surrounded on all sides by lush, temperate rainforests. Castle Rock is named after the massive natural landmark that shares its name with the town. This massive rock structure overlooking the Cowlitz River looks like a castle tower and has been called Castle Rock for hundreds of years.

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Experience the Sites and Scenery

When tasked with plotting out the outdoors destinations you want to visit when you rent an RV in Castle Rock, you might feel overwhelmed by the sheer number of choices. Washington is known as the Evergreen State after all. Seaquest State Park is the closest option to Castle Rock, just a short drive east. The park has dense forests that you can hike through, as well as a mile of shoreline along Silver Lake. There is a boat launch for people to put their boats in the water and go fishing, and a boardwalk overlooking the water too. Although it is 30 miles west of Mount Saint Helens, Seaquest State Park has a great visitor’s center that talks about the volcano’s explosive history. If that weren’t enough, you can park your Castle Rock camper rental overnight for a restful night’s sleep at the wooded campground. Ike Kinswa State Park is farther to the northeast but quite easy to find with your Castle Rock motorhome rental. This incredible state park sits on the northern shores of Mayfield Lake, a massive man-made lake. You can go boating, fishing, swimming, or water skiing in the lake and the Tilton River, or simply stick to hiking and biking on land.

Where to Park It

One of the best parts about getting a Castle Rock RV trailer rental is the amount of campground and RV park options you have to pick from. Silver Cove RV Resort has camping spots on the river, with fishing, boating, and swimming to keep you cool and occupied. Toutle River RV Resort has volleyball, croquet, disc-golf, a clubhouse, a pool, a sauna, and many other amenities. There is a general store to pick up camping supplies or last-minute s’mores ingredients to cook over the campfire.

City Attractions

The town of Castle Rock is quite small and might disappoint if you head in with lofty expectations. This is by no means the place to go if you crave big city lights and a vibrant nightlife. Seattle and Portland are much better suited for this type of vacation. Castle Rock has some cool things to check out in the area, but most of these things rely on the great outdoors. The Mount Saint Helens Visitor Center mentioned before at Seaquest State Park is a fantastic resource for those fascinated by natural and geological history. You can get in-depth analysis and history of the volcano’s epic eruption back in 1980, with a movie and several different exhibits.

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Popular nearby hiking trails and campgrounds

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

Recent RV rental reviews in Castle Rock

Rochelle H.

October, 2025

The owners are great and very thorough with the walk through. We filmed the tour which helped us with most questions we had later. They have it stocked with everything you would need! There are even fire starters (which came in handy) and extendable poles to roast marshmallows or sausages in the first aid kit. They even have games so I wouldn’t waste the luggage space packing any. The cassette toilet is a breeze to work and the van is extremely easy to drive even for beginners. I would suggest booking your campgrounds early to get good spots. The forest service had some great ones and if you are headed to silver falls, the state park campground has really nice shower facilities and big sinks for dishes if you want to save on grey water. It was really one of the best vacations we have ever taken and we were so pleased with our outdoorsy rental. Thank you again!!
Phil S.

October, 2025

This RV is an amazing package deal that you want for your next trip! Mike was an awesome host. Will definitely rent again!
Jeff H.

September, 2025

Cory was awesome to rent from! Pick up and drop off were smooth, Trailer was exactly what my family was looking for. Would definitely recommend!

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