Located in the Turtle Rock neighborhood, William R Mason Regional Park is a huge park that offers spacious grass areas, a nine-acre lake popular for model boat sailing, multiple play structures, and biking paths. It also has a 123-acre wilderness hiking area. You’ll be glad you read this!

The park has paved trails that provide easy hiking with minimal elevation gain. Find the best walking trails near you by downloading Pacer App.


Irvine is served by public transportation through the Orange County Transportation Authority (OCTA). Metrolink trains arrive every 30 minutes during weekday commuting hours at the Irvine and Tustin stations. Rail2Rail monthly passes are available for commuters.

Within the park, there is a 9-acre lake, multiple playgrounds, and picnic shelters. The main area of the park has paved biking and walking paths as well as equestrian trails. There are also concrete hiking and biking trails in the 123-acre wilderness area that adjoins the park on the other side of Culver Drive.

The city is home to the professional soccer team Orange County SC of the USL Championship Division, which plays its matches at Great Park. Other sporting venues in the city include the Orange County Fairgrounds and the University of California, Irvine.

Picnic Areas

The 339-acre William R Mason Regional Park is one of the largest parks in southern Irvine and offers multiple attractions. A captivating 9-acre lake, biking paths, a wilderness hiking area, and three separate toddler areas all cater to the recreational needs of individuals and families.

The park also features a softball backstop, sand volleyball courts, and a physical fitness vita course along with 6 picnic areas that offer standard and handicapped tables. The paved trails traversing throughout the park offer a pleasant, scenic experience with minimal elevation gain.

Picnics are a summertime favorite and are the perfect way to support local businesses and create lasting memories with friends and family! Grab a carryout cocktail from Center Hub or a cold kombucha from Albertsons before heading out to enjoy your meal at the park. Explore more!


The 339 acres of Mason Park feature rows of shade trees, a 9-acre lake that’s popular for model boat sailing, and multiple hiking and biking trails. It’s also home to a 123-acre wilderness area and the Strawberry Farms golf course.

TB rolls out of the parking lot at 0630, just in time to hit the trail before the sun gets too hot. He’s on the University Trail and has a new Magic Shine bike light velcroed to his helmet, set to strobe.

This is a great trail for a semi-loop ride. If you’re in the mood for more climbing, you can backtrack to JOST Junction and take Jeffrey or Turtle Rock to the UT. Those trails are even more scenic. The UT itself is a pretty flat and easy ride.

Sports Fields

Irvine has numerous parks, trails, and sports fields. These are great spots for joggers and those who enjoy cycling or walking on the various paved trail paths. Irvine’s lush green parks also provide a scenic place to relax and recharge.

Among the larger parks in the city, the William R Mason Regional Park offers 339 acres of green space with rows of shade trees, a 9-acre lake popular for model boat sailing, and multiple play structures. The park also includes hiking trails and a wilderness hiking area.

The park’s east side is a natural wilderness area with rugged hills and a small creek, while the west side has more traditional areas. The park is named for former Irvine Company president William R Mason. Its many trails are great for hikers, cyclists, and dogs on leash.


Located in the Turtle Rock neighborhood of Irvine, this regional park offers spacious grass areas, a 9-acre lake popular for model boat sailing, and multiple play structures. It also includes sports fields, a wilderness hiking area, and biking trails. The park has several picnic shelters that are available to reserve for groups of all sizes.

For nature lovers, Irvine’s Great Park offers unique plant collections and exhibits at the Arboretum. For kids, there’s the Pretend City Children’s Museum where they can learn while exploring a kid-sized grocery store, post office, fire station, and more.

The Orange County Great Park also hosts a variety of events throughout the year, including concerts, food festivals, art shows, and agriculture. In September, residents celebrate culture at the Irvine Global Village Festival. Other popular events include the Studio Arts Festival in June and the Orange County Strawberry Harvest in May. Continue reading about TeWinkle Park.


Driving directions from Omega Investment Insurance to William R Mason Regional Park

Driving directions from William R Mason Regional Park to TeWinkle Park