Zachary's Playground Splash Pad (Hawk Ridge Park)
✓ Last confirmed for the 2026 season
Where: 1229 Ridgeway Avenue, Lake St. Louis, Missouri
When: 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.