Raging Rivers WaterPark

✓ Last confirmed for the 2026 season

Where: Raging Rivers WaterPark, Grafton, Illinois

Season: seasonal (summer)

Hours: typically daylight hours

Cost: $38.99

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The Metro East's full-scale water park pairs wave pools and the Mississippi Monster tunnel slides with Itty Bitty Surf City for the smallest swimmers. Daily passes are $38.99 for guests over 42 inches tall, with kids under 2 free.

What's on site. OpenStreetMap maps toilets on site, parking at this location.

When to go. Peak summer highs in Grafton average 87°F — warm enough for a splash pad through most of the season without being punishing at midday.

Get directions →

If this one's closed or packed

Splash pads close for maintenance, run short seasons and fill up on hot weekends. There are 0 other pads within 5 miles and 6 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are:

Glazebrook Park Splash Pad — 12.1 mi · Godfrey · free · zero-depth, toddler, playground-nearby
Discovery Playground Sprayground (Jaycee Park) — 12.4 mi · St. Charles · free · zero-depth, toddler, playground-nearby
370 Lakeside Park Splash Pad — 12.7 mi · St. Peters · free · zero-depth, playground-nearby
Koch Park Splash Pad — 11.9 mi · Florissant · free · zero-depth, fenced, toddler
Alton Riverfront Park Splash Pad — 14.2 mi · Alton · free · zero-depth

Corroborated by 1 independent source: stlmag.com. See how we verify listings.

Closed for maintenance or something changed? Let us know so we can keep this listing accurate.