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Mile Square Regional Park
A 607-acre regional park in Fountain Valley. Fishing/boating ponds, playgrounds, nature areas, sports facilities, an archery range, and more.
Parking
| Type | Park |
|---|---|
| Area | Fountain Valley |
| Indoor / outdoor | Outdoor |
| Age | Family-friendly / all ages |
| Admission | Free admission |
| Hours | Opens daily at 7:00am. Closing varies by season, 6:00pm (fall/winter) to 9:00pm (spring/summer). |
| Facilities | Parking |
Admission & tickets
Free admission. Parking $3 weekdays / $5 weekends (varies on special days).
Access & contact
16801 Euclid St, Fountain Valley, CA 92708
Visit official site →Last verified：2026-06-17 ／ Hours, fees, and closures change — please confirm on the official site.