Thank you for an AMAZING season! We will be back ... and even BIGGER ... starting Saturday May 24, 2025.

About Splash-n-Dash

Splash-n-Dash Aqua Park is North America’s Largest Floating, Inflatable Waterpark that provides hours of high-energy FUN!

Play Video about Photo of the Splash-n-Dash inflatable water park on the lake - America's largest inflatable water park - Lake McSwain, Snelling California

About the Aqua Park

Splash-n-Dash is an on-the-water inflatable water park at Lake McSwain, Snelling CA. We’re open Memorial Day weekend through Labor Day.

The park is located inside the day-use picnic area of the Lake McSwain Recreation Area. There is an entrance fee of $10.00 per vehicle to access the lake.

We have three splash adventures; Colossal Splash, Big Splash and Lil’ Splash, as well as a Cafe and Cabanas and beach chair rentals available. Only guests going on the inflatables need buy a ticket, guests watching are free.

All in one tower at Splash-n-Dash inflatable aqua park

Colossal Splash

The Colossal Splash features a 20′ “All-in-One” tower, which has 3 large water slides, and 2 platforms to jump off, as well as a Rock Wall. Included with main splash session tickets and season passes.

Must be at least 7 years old, and 45” tall, and a capable swimmer.

Blob at Splash-n-Dash inflatable aqua park

Big Splash

The Big Splash has over 30 new attractions, including a 25′ tall Action Tower with multiple slides and a 33′ Mega Blob. Plus 2 Relay Dash Trax, where you can race against your friends and family. Included with main splash session tickets and season passes.

Must be at least 7 years old, and 45” tall, and a capable swimmer.

Lil' Splash at Splash-n-Dash inflatable aqua park

Lil' Splash

Lil’ Splash is Splash-n-Dash course in shallower water, specifically for kids under 7 years of age and 45″ tall. A 5,500 square foot mini-obstacle course with a Figure 8 Slide, Frog Jump and Tunnel.

Hands-on, adult supervision is required at all times. Parents supervising their kids are free.

Kayak rental at Lake McSwain Splash-n-Dash Aqua Park and Rentals

Beach Rentals

We have paddle boards and single and double kayaks for rental to enhance your lake experience. There are also Cabana and premier seating options available for rental. Book online in advance or find out more on our rentals page.

How to find us

Splash-n-Dash is located inside the day-use picnic area of the Lake McSwain Recreation Area.

Lake McSwain Park Map Splash-n-Dash water park

Explore the park

Take a look at some of our inflatable water park features and obstacles.

Big girl

Action slide tower

Relay Dash Trax

Big boy

Swing

Trampoline

Rough path

Stumps

Ali T. Gator

Jungle Bar

Saturn

Lil' Splash

Ticket options & prices

Our ticket options are simple and great value. Regular tickets are either for an hour session, or full day. Season Passes give you full season access and are best value for multiple visits.

We also have discounts available for groups of 10+, as well as options for birthday parties and other large group outings.

Race trax at Splash-n-Dash inflatable aqua park

Season Passes

We offer both individual and family of four season passes. A season pass offers amazing value for multiple visits and can pay for itself in less than two visits.

Action slide tower at Splash-n-Dash inflatable aqua park

Day Tickets

1 hour session ticket and all day tickets. Regular tickets include both Colossal Splash and Big Splash areas. Lil’ Splash tickets are a reduced rate, with free access for adults supervising kids.

Photo of the team at Splash-n-Dash inflatable water park on the lake - America's largest inflatable water park - Lake McSwain, Snelling California

Groups & Birthday's

Interested in booking a party, or bring a group? Splash-n-Dash Aqua Park is the perfect place to host a party, special event or group outing!

Guest Feedback

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