Zachary's Playground Splash Pad (Hawk Ridge Park)
✓ Last confirmed for the 2026 season

Where: 1229 Ridgeway Avenue, Lake St. Louis, Missouri
Season: Memorial Day-Labor Day
Hours: 7 a.m.-6 p.m.
Cost: free
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A castle-themed, wheelchair-accessible destination playground whose small splash pad is scaled for toddlers rather than cannonballing big kids. The combination draws families from across St. Charles County.
When to go. Peak summer highs in Lake St. Louis average 87°F — warm enough for a splash pad through most of the season without being punishing at midday.
If this one's closed or packed
Splash pads close for maintenance, run short seasons and fill up on hot weekends. There are 2 other pads within 5 miles and 7 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: