William R. Mason Regional Park
About
339-Acre Regional Park with 9-Acre Lake
William R. Mason Regional Park is OC Parks' flagship regional park in Irvine - 339 acres of picnic areas, hiking and biking trails, a 9-acre lake, three tot-lot playgrounds, sand volleyball, fitness vita course, and amphitheater.
Family Programs & Park Activities
OC Parks runs seasonal programming alongside drop-in park access. Programs include:
- Three separate toddler/tot playgrounds
- Hiking and biking trails
- Fishing in 9-acre lake
- Sand volleyball courts
- Picnic areas (reservations available)
- Amphitheater seasonal events
- Vita physical fitness course
What's Included
- $3 weekday parking, $5 weekend per vehicle
- All playground and trail access included
- Picnic shelter reservations separate
Experience
Big-park experience in central Irvine with multiple play zones for different ages. Strong fit for families with kids of different ages. Hours: Fall-Winter 7am-6pm; Spring-Summer 7am-9pm.