Water Park Group Sales/EventsThief River Falls Coin logo.

Birthday Party at Thief River Falls Water Park.

Call 800.881.0712 ext. 26190 to book your party today!

The water park will be closed for renovations beginning July 10th and reopening August 12th.

Seven Clans Casino Coin logo.

Swimming Birthday Parties

Treat your child to a birthday party they'll never forget. And neither will you.

Every child deserves a birthday party. And we’re here to make it unforgettable. Our newly remodeled water park features water fun for all ages. From fast and furious slides to the lazy river, there’s fun for kids of all ages (and their parents). Plus, we provide the food, drinks, a variety of themed decorations and, of course, birthday cake. All you have to do is light the candles!

birthday party fun
poolside party setup
waterpark party fun

Call group sales at 800-881-0712 ext. 26190 or fill out the email below, to request a reservation!

The coordinator will be calling to confirm your date. Business hours are 8:00 am - 4:00 pm.

Group Sales Coordinator, Ext. 26190

Water Park birthday party packages.

Special Birthday Party Packages


Package A - $250

  • 15 All Day Water Park Passes
  • $10 Arcade Tokens
  • Reserved Table Poolside with basic "Happy Birthday" Decorations
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  • Birthday Cake (1/4 sheet)
  • One food item of your choice for 15 people (choice of either 2 large one-topping pizzas; 15 sloppy joes and chips; or 15 hotdogs and chips)
  • 3 pitchers of soda
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Package B - $275

  • 15 All Day Water Park Passes
  • $20 Arcade Tokens
  • Reserved Table Poolside with your Choice of Themed Decorations
  • Themed Birthday Cake (1/4 sheet)
  • One food item of your choice for 15 people (choice of either 2 large one-topping pizzas; 15 sloppy joes and chips; or 15 hotdogs and chips)
  • 3 pitchers of soda

Package C - $325

  • 15 All Day Water Park Passes
  • $20 Arcade Tokens
  • Reserved Table Poolside with your choice of Themed Decorations
  • Themed Birthday Cake (1/4 sheet)
  • One food item of your choice for 15 people (choice of either 2 large one-topping pizzas; 15 sloppy joes and chips; or 15 hotdogs and chips)
  • 3 pitchers of soda
  • 1 night stay in 1 Standard Hotel Room (based on availability)

Please Note:

  • No outside food and beverage Items allowed into events under contract, due to Health Department and Sanitation Regulations.
  • No discounts or refunds on birthday parties.
  • All charges must be paid prior to receiving wristbands and food items.
Please contact Group Sales Department at 1-800-881-0712 or 218-681-4062 Ext. 26190 for your future group reservations.
waterpark events and parties


Reserve Your Party.

All parties have a 4-hour time slot. Please make your reservation a minimum of one week in advance of the party date to assure availability of requested items. IF you must cancel your event, please notify us 72 hours prior to the event start time, failure to do so will result in you being billed for 50% of the total cost of the party.

All parties can be booked Monday through Friday from 8 a.m. – 4 p.m. Please call our Banquet Coordinator to book your event today!


Scooters are available to our guests who need assistance with mobility. Call ahead and reserve one before your stay. Also, we have EMT’s on staff 24/7.