Ralston Central Park Splash Pad
✓ Last confirmed for the 2026 season

Where: 5850 Garrison St, Arvada, Colorado
Season: Memorial Day - Labor Day
Hours: 10:00 a.m. - 8:00 p.m.
Cost: free
public-park
Arvada's main free splash pad runs daily through the summer at Ralston Central Park along Ralston Creek. Its 10 a.m. to 8 p.m. hours are among the longest of any metro-area spray park.
What's on site. OpenStreetMap maps toilets on site, playground alongside, parking at this location.
When to go. Peak summer highs in Arvada average 88°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 21 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: