Raging Rivers WaterparkHours & PricesSeason & Day PassesParty PackagesConcessionsGuest ServicesWhat's New? More NewsUpcoming Events 20 - 24 May Redeem Raging Rivers Season Passes Monday EVENT DETAIL 28 - 29 May Redeem Raging Rivers Season Pass Tuesday EVENT DETAIL 30 May Raging Rivers Opening Day Thursday EVENT DETAIL 16 Jun Father’s Day Sunday EVENT DETAIL 18 - 20 Jun Lifeguard Certification Course Tuesday EVENT DETAIL 26 Jun Everyone Swims Wednesday EVENT DETAIL No event found! More EventsSeason Passes2023 season passes are available! Season passes include access to the lazy river, tube and speed slides and aqua play unit!We love Birthdays!Host your birthday party at our place! Reserve your 2023 summer birthday party today. Reservations can be made online or by calling 663.3393.Express Day PassDid you know you can now print your day passes at home? Spend less time in line and more time playing by printing passes right from your computer.Raging Rivers Waterpark Raging Rivers Waterpark features tube slides, speed slides, a lazy river and a brand new Aqua Play area. It is four acres of wet and wild fun! Learn MoreRaging Rivers Waterpark is owned and operated by Mandan Park District. Purchased in 2009, Raging Rivers Waterpark features a lazy river, tube and speed slides, a kiddie pool play area, bath house, rental areas and concessions.