Closed for the 2026 season, which ran May 28 to Aug 23. The 2027 opening date isn't posted yet.
About Raging Rivers Waterpark
Raging Rivers is the Mandan Park District's outdoor water park, with tube slides, speed slides, a lazy river and a play area for little kids. It suits families from Bismarck-Mandan looking for an easy summer afternoon. A day pass is $17, and Monday or after-4 PM visits are cheaper.
Tickets and prices
| Ticket | Price | Details |
|---|---|---|
| Captain Day Pass (48 inches+) | $17 | 2026 season |
| Mate Day Pass (under 48 inches) | $14 | 2026 season |
| Senior Day Pass (62+) | $14 | 2026 season |
| Twilite rate (after 4 PM) | $12 | 2026 season · daily |
| Spectacular Mondays | $8 | 2026 season |
| Spectator / non-swimmer | $8 | 2026 season |
Kids 3 and under are free. In late August the park ran shorter hours at a flat $12.
Buy on the official siteDeals we found
Admission is $8 on Mondays, about half the regular day pass.
See the deal$12 admission after 4 PM daily.
See the dealIn 2026 the season pass started at $85 early in the year before rising to $155. Watch for the 2027 sale.
See the dealPromo codes
Raging Rivers is run by the park district and doesn't use promo codes. Mondays and the after-4 PM rate are the real deals.
Season passes
| Pass | Price | Details |
|---|---|---|
| 2026 Season Pass | $155 | Regular rate; early-bird rates of $85 and $125 ran earlier in the year. No family passes. |
Good to know
- Address
- 2600 46th Ave SE, Mandan, ND 58554
- Hours
- 2026 hours were noon to 7 or 8 PM in peak summer, and noon to 5 PM in late August.
- Phone
- +1-701-751-6161
- Type
- Water park
- Official site
- mandanparks.com
Don't miss
- Tube slides
- Speed slides
- Lazy river
- Aqua play area for younger kids
- Tod Time sessions for ages 0–8 on July Monday and Wednesday mornings
Little ways to save
Go on a Monday. At $8 it's less than half the $17 day pass.
Buy the season pass early. In 2026 it started at $85 and ended at $155.
Check the park's Facebook page on cloudy days; hours change with the weather.
Questions people ask us
How much is Raging Rivers Waterpark?
In 2026 a day pass was $17 for swimmers 48 inches and up and $14 for shorter kids and seniors. Kids 3 and under are free.
Is Raging Rivers open now?
No. It closed for 2026 after Aug 23. The 2027 season usually starts around Memorial Day; dates aren't posted yet.
Is there a cheap day at Raging Rivers?
Yes. Mondays are $8, and anyone can get in for $12 after 4 PM.
How much is a Raging Rivers season pass?
The 2026 pass was $155 at the regular rate, with earlier sales at $85 and $125. There's no family pass.
More parks nearby
Where these prices come from: Mandan Parks, Raging Rivers hours and prices, Mandan Parks, About Raging Rivers. Prices checked October 2026 by John Foster. Prices change, so confirm on the park's site before you go.