Lake Country Rotary Splash Pad at Nixon Park
✓ Last confirmed for the 2026 season
Where: 175 E. Park Ave., Hartland, Wisconsin
When: Memorial Day weekend through late September
Hours: 10 a.m.-9 p.m. daily
Cost: free
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Hartland's Nixon Park splash pad is activated by an interactive flower feature that kids press to start the sprays. Three rentable picnic shelters make it an easy birthday-party venue, and its season stretches later than most, into late September.