Escape, Relax, Repeat: Extended Stays for Lasting Memories at Mark Twain Lake Jellystone Park™️!  Click Here

Splish and Splash at The Water Zone

Pack your swim suits! With a huge swimming pool and beautiful fishing lake right here in the park plus access to a towering water slide, wave pool, and lazy river, you’ll never run out of wet & wild ways to have fun at The Water Zone right next door to Mark Twain Lake Jellystone Park.


The Water Zone Is NOW OPEN!

It’s just not a vacation without sunshine and a swimming pool. And what fabulous swimming and splashing we have in store for you. Here’s what you can expect when you arrive at The Water Zone…

  • Wave Pool
  • Space Bowl
  • Lazy River
  • 6 Water Slides
  • Kiddie Pool
  • Adult pool
  • Tiki Bar
  • Snack Bar
  • Sweet Shop & Gift Shop
  • Compfyland

The Water Zone | Mark Twain Jellystone | Season Passes


Season Passes Are Still Available

  • Single Season Pass – $149.99
  • Senior Season Pass (65+) -$129.99
  • Family Season Pass* – $499.99

*Includes 2 adults and up to 4 children under 18, living in the same household.

Season Pass Holder Benefits Include

  • Select ‘Bring a Friend FREE’ Days
  • Select ‘Early Entrance’ Days
  • Day-Use admission to both The Water Zone and Mark Twain Lake Jellystone Park


Get Your Season Passes Printed at the Ranger Station

We were swamped with folks who pre-ordered season passes. So many, we had to discontinue sending vouchers!
Just c’mon in to the Ranger Station and we will print your pass when you get here!

Ranger Station Hours
Sunday – Thursday, 9:00am – 5:00pm
Friday & Saturday, 9:00am – 8:00pm

The Water Zone


Everybody LOVES the all NEW Mark Twain Lake Jellystone Park

“Wow! Just wow! What a great campground, been to hundreds in my life! By far one of the nicest! Not to mention the state of the art water park! If you have kids it’s perfect!” ~ Says Paul J on Google Reviews.

So, take Paul’s advice. Reserve Your Stay Now. Sites are filling up fast. See you real soon!


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