Rainbow East Park (Rainbow III)
✓ Verified 2026-summer
Where: 8181 Yarrow St, Arvada, Colorado
When: typically open in warm months (check before visiting)
Hours: typically daylight hours
Cost: free
shadepublic-park
A jungle-themed, well-shaded playground for ages 2-12 where kids slide down an elephant-trunk slide, ride a jungle cat, and hop across an alligator jump feature. Its tree cover makes it one of the better hot-day picks in the north metro.