Washington isn’t just about rainy days and mountain hikes, it’s also packed with awesome places to scream, splash, spin, and laugh your face off.
From twisty water slides and wild roller coasters to old-school rides you can share with your little cousins, there’s something here for every kind of person.
Whether you’re in the mood to ride a surf wave, pick berries between pony rides, or zip through the trees on a mountain coaster, these parks will have you coming back again and again.
1. Slidewaters, Chelan
Slidewaters is a super fun waterpark in Chelan, right by the edge of the super-clear Lake Chelan.
It’s packed with wild slides, a lazy river, a giant hot tub, and even a surf wave you can ride.
It’s known for sunny days, clean water, and awesome views of the hills and vineyards around the lake, making it feel like summer never ends.
There’s also a big splash zone for little kids, tons of shady picnic spots, and you can even rent a private cabana if you’re feeling fancy.
2. Surf ‘n Slide Water Park, Moses Lake
If you’re anywhere near central Washington, Surf ‘n Slide Water Park in Moses Lake is the spot to cool off.
This place features one of the only FlowRider surf simulators in the state, plus twisty slides, a lazy river, diving boards, and a 200-foot long water slide.
It’s right in the middle of town, open all summer, and super popular with locals so bring your towel, grab a snow cone, and get ready to spend hours splashing around.
3. Remlinger Farms, Carnation
Next up is Remlinger Farms in Carnation, where things get a little more old-school and way more adorable.
This family-run spot is all about farm life but mixes that with amusement park fun.
Think pony rides, a mini roller coaster, antique cars you can drive, a kid-sized steam train, and even a berry-picking field in the summer.
It’s perfect for younger kids, super chill for parents, and don’t even think about leaving without trying a slice of their homemade pie—it’s kind of a big deal.
4. Leavenworth Adventure Park, Leavenworth
Leavenworth Adventure Park sits right in the middle of that Bavarian-style mountain town you’ve probably seen all over Instagram, called Leavenworth.
The big star here is the Tumwater Twister, a mountain coaster that zips you through forested hills with views that are so pretty it’s hard to keep your eyes on the track.
There’s also climbing walls, a bungee trampoline, and mining for gems—basically, it’s like a mini adventure zone tucked into one of the most magical towns in the state.
5. Great Wolf Lodge Water Park, Grand Mound
If your dream vacation involves never leaving the hotel and being soaked the whole time, Great Wolf Lodge in Grand Mound has you covered.
This massive indoor water park is open year-round and packed with water slides, a wave pool, splash zones, and a huge tipping bucket that soaks everything (and everyone) in sight.
You can stay overnight in themed rooms, join a magic scavenger hunt around the lodge, and grab late-night snacks in your pajamas.
6. Birch Bay Waterslides, Blaine
Way up near the Canadian border, Birch Bay Waterslides in Blaine is all about classic summer fun with tons of retro charm.
It features twisty slides and speedy drops, with plenty of picnic tables, a variety of snacks at the concession stand, and kids running around in floaties.
The park’s been around for decades, and it’s the kind of place where families keep coming back every summer, making new memories on the same slides their parents grew up riding.
7. Catapult Adventure Park, Puyallup
Catapult Adventure Park in Puyallup flips the whole amusement park idea on its head—literally.
This indoor trampoline park is stacked with bounce zones, foam pits, ninja-style obstacle courses, and even a glow-in-the-dark dodgeball arena that feels like a video game come to life.
It’s got a lot of energy and the best part? You don’t even have to wait for summer as this place is open rain or shine, year-round.
8. Wild Waves Theme and Water Park, Federal Way
Last but definitely not least, Wild Waves in Federal Way is the biggest theme and water park in the whole state, and yeah, it totally lives up to the hype.
You get the best of both worlds here: massive roller coasters, spinning rides, and carnival games plus a giant water park with slides, a wave pool, and a lazy river.
It’s a full-on day trip kind of place, and with new rides introduced over the years, there’s always a reason to come back.
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