Sylvan Springs Park Splash Pad
✓ Last confirmed for the 2024 season
Where: 300 Halsey Rd, St. Louis, Missouri
When: seasonal (summer)
Hours: 6 a.m.-6 p.m.
Cost: free
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This south county park near Jefferson Barracks features pop jets and a spraying arch that kids run through on repeat. Note the water shuts off at 6 p.m., earlier than most area pads.