The World’s Largest King Cobra combines an innovative and unique design to create one of the most thrilling water slide experiences in the world. Riders will race side-by-side on tubes from six stories up, along more than 335 feet of twists and turns at speeds up to 32mph, with a finale that includes a sudden 37-foot plunge into the mouth of a massive king cobra.

“Noah’s Ark has a rich history of bringing some of the world’s most innovative attractions to the Waterpark Capital of the World,” said Mark Whitfield, Noah’s Ark General Manager. “Raja will be no exception to that tradition and we believe that our guests will find it to be one of the most thrilling experiences of their summer.”

Raja™ is the largest of its kind and only the second to be installed in the U.S. The slide’s tower will be situated along Wisconsin Dells Parkway next to the iconic Ark structure and Flash Flood boat ride. It will open to guests in 2018.

The slide is designed and built by Polin Waterparks.

Single Tube Minimum Weight 130lbs. Max 260 lbs. All guests will be weighed at the top of the ride platform.

Minimum Height 48"
Thrill Level  5 

Wisconsin's Top Destination for Family-Friendly Fun & Excitement

Whether you want to plummet down 10 stories into a splash of water, ease on down a lazy river, or stay dry and watch a 4-D movie, Noah's Ark is home to the most family attractions under the sun! Keep the family together and enjoy the many attractions in our group slides. If you have little adventurers, Noah's Ark is the #1 location for fun things to do with kids in Wisconsin Dells!

Thrill Rides

Twist, turn, and make a splash down the most thrilling water slides in the state of Wisconsin at Noah's Ark! Take a ride on America's most thrilling water coaster, Black Anaconda! This ride is over 1/4 mile long and is sure to send you on a spiraling adventure. For those who want a challenge, take a ride on the world's largest bowl ride, Time Warp! Sit in a 4-person raft and plunge down at hyper-speed through a wild spin through time and space!

Group Rides

If you're visiting with a group event, our 2-5 person raft rides are fun for all! Grab your group and take a trip down the Congo Bongo or, for those with a need for speed, visit Quazilla and race head-first down twisting tunnels and downward dips.

Kiddie & Gentle Rides

Noah's Ark has plenty of Wisconsin Dells attractions for kids. Whether you're drifting down Adventure River or splashing around one of the Kiddie Areas, Noah's Ark is pure family-fun. Bring the kids to Paradise Lagoon where they have a slides and rides specially designed for them! Be sure to check out our cabana rentals for extra shaded fun.

Dry Activities

The sun can be tiring, so take a break from the thrills and spills, and watch an eye-popping movie in the 4-D Dive-In Theater! Smell what's on the screen, feel the splash, and duck from flying objects, this 4-D theater is safe for the whole family! After taking in the show, head on down to Safari Adventure Mini Golf to unleash your inner golf pro!

Buy your Tickets Online

Plan ahead and buy your Noah's Ark tickets and passes online today! You won't want to spend this summer anywhere else, but at Noah's Ark! Upgrade your pass and get (1) one combo meal every visit with the All Season Dining Pass