Adventure Park Splash Pad
✓ Last confirmed for the 2026 season
Where: 10130 S. Gunn Ave., Whittier, California
When: May 1 – September 30
Hours: 10:00 AM – 7:00 PM daily
Cost: free
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This free county splash pad sits next to one of the area's larger playgrounds, with shaded areas for parents to escape the sun. The combination makes it an easy half-day outing for Whittier families.