Reid Merrill Park Splash Pad
✓ Last confirmed for the 2026 season
Where: 637 E. Shore Dr., Eagle, Idaho
Season: Memorial Day weekend through Labor Day
Hours: 9 a.m. - 9 p.m. daily
Cost: free
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Located near the Boise River and Eagle Island area, this neighborhood pad runs the same generous seasonal hours as Guerber Park. Its riverside setting pairs well with a stroll on nearby pathways.
What's on site. OpenStreetMap maps playground alongside, parking at this location. No public toilets are mapped here — worth knowing before you commit to an afternoon.
When to go. Peak summer highs in Eagle 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 5 other pads within 5 miles and 13 within 15. These are the ones worth the drive — ranked by shade, toilets and cost first, then by how close they are: