Rolling Hills Water Park | Ypsilanti, Michigan

Rolling Hills Water Park is a popular seasonal, family-friendly outdoor aquatic facility located within the 439-acre Rolling Hills County Park in Ypsilanti, Michigan. Operated by Washtenaw County Parks and Recreation, the park generally runs from Memorial Day weekend through Labor Day. Main Attractions: Wave Pool & Lazy River Water Slides Activity Pool Spray Playgrounds Admission & PricingWater Park Admission: $16 per person. Children Under 36 Inches: Free. Twilight Discount: $2 off admission prices after 5:00 PM. Vehicle Entry Fee: Entering Rolling Hills County Park requires a vehicle pass, which costs $10 daily or $45 for an annual pass. 7660 Stony Creek Rd, ypsilanti, MI 48197