Wildheather Park Sprayground
✓ Verified https://www.houstontx.gov/parks/playgrounds-spraygrounds.html · confirmed against the parks department

Where: 14900 Whiteheather, Houston, Texas
Season: year-round (weather permitting)
Hours: typically daylight hours
Cost: free
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Directional water jets, donut sprays, jet streams, side winders and in-ground geysers make up the water play here, with a playground, pavilion, adult workout station and seat wall close by.
What's on site. OpenStreetMap maps toilets on site, drinking water, parking at this location.
When to go. Peak summer highs in Houston average 93°F. Mornings and late afternoons are far more comfortable than the middle of the day, and shade is worth planning around.
If this one's closed or packed
Splash pads close for maintenance, run short seasons and fill up on hot weekends. There are 16 other pads within 5 miles and 35 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: