Rock River Rapids, the water park in Derby, is a premier water park in south-central Kansas! Rock River Rapids is a full-service Aquatic Park with Concessions, Lockers (provide your own lock), a Bathhouse, and a Gift Counter. Numerous areas at the park are liberally equipped with lounge chairs for relaxing. The Park is staffed with Supervisors and a security officer to ensure you have a comfortable and safe stay.
Rock River Rapids Opens May 25, 2026
Pro Tip: Last year, Rock River Rapids participated in the Sunflower Summer Program.
Rock River Rapids Waterpark in Derby
Best Deal: All park admissions are $5 after 5:00 PM daily for ages two and older. (No coupons or group discounts may be used)
- Zero-depth pool for the younger kiddos
- A lap pool is a full-sized, 50-meter Olympic-sized swimming pool
- Lazy river, you can float or take a tube to float on
- 4 Big slides
- Blue Slide: tube slide, you can go alone or with a friend.
- Yellow and Orange Slides: These are body slides that feature dark and open spaces with curves to speed you up and slow you down.
- Green Slide is a fast and winding body slide.
- Ollie’s Snack Shack has frozen treats, hotdogs for $3.25, and lots of other yummy snacks and food that are reasonably priced.
Rock River Rapids Hours, Prices & Info
Rock River Rapids Hours: Open Daily from 12:30 pm-7:00 pm.
- Opening Day is Monday, May 25, 2026
- Closing Day is August 10, 2026
Daily Admission:
- Ages 2 and under: Free
- Ages 3-17: $9.00
- Ages 18+: $10.00
- Seniors 60+: $9.00
Rock River Rapids Season Pass Deals:
- BEST VALUE: November 1-December 31
$60 per person - January 1 – May 31: 10% off regular price season pass
$67.50 per person (discount applies at checkout) - June 1 – Mid-July: $75 per person
- 50% Discount – Starting mid-July – exact date TBA
$37.50 per person
Military: Always $60 per person (Military ID is required at time of purchase)
Tot Time: This is an exclusive opportunity for parents to swim with their child without the big kids. This activity requires an adult patron 16 years or older to accompany children 5 years and younger at all times. Admission is $5 per entry or Rock River Rapids Season Pass and all tots and adults must exit the park at 12:15 pm. Children 2 and under swim free. Tot time requires a ratio of no more than two kids per adult.
Location: 1900 E James St., Derby, KS
Visit the Rock River Rapids Website for more information.
Free & Cool Parks in & around Wichita
