Peak summer highs in Happy Valley average 80°F — warm enough for a splash pad through most of the season without being punishing at midday.
The things that decide a trip with small children — a toilet, some shade, somewhere to sit — are exactly what listings usually leave out. Across the 1 pads in Happy Valley:
13770 SE Ridgecrest Rd · Happy Valley, Oregon
Summer · typically daylight hours
Freepublic-parkzero-depthrestroomsplayground-nearby
Happy Valley's flagship park mixes showers, streams, and spray jets in its water play area, with bathrooms conveniently close by.
On site: drinking water, playground alongside, parking
1 other pad within 5 miles
✓ Last confirmed for the 2026 season