Facility Overview

The William R. Mason Regional Park Parking Lot is the dedicated parking facility serving the 339-acre William R. Mason Regional Park, an expansive urban oasis managed by OC Parks in south Irvine, California. Situated at 18712 University Drive, nestled between Culver Drive and Harvard Avenue, the parking complex is designed as a system of interconnected open-air surface parking bays branching off the park's primary interior loop road. Because the lot is completely open-air with no parking structures or overhead decks, it offers unlimited vertical clearance, making it exceptionally well suited for standard sedans, full-size pickup trucks, oversized SUVs, high-roof camper vans, and passenger shuttles.

Parking bays are distributed evenly throughout the park grounds, allowing visitors to park within short walking distance of their desired destination, whether that is the 9-acre sailing lake, the large children's play structures, covered picnic shelters, or the open turf recreational zones. Generous drive aisles and clearly painted stall markings ensure straightforward maneuverability and easy two-way traffic flow even during high-traffic weekend periods.

Prime Location & Nearby Attractions

Located in the heart of Irvine along the border of the University Park and Turtle Rock communities, this facility provides immediate access to premier local recreation and education hubs:

• Mason Regional Park Lake & Grounds: Direct, on-site access to the scenic 9-acre lake, lighted paths, fitness courses, reservable group shelters, and the outdoor amphitheater.
• University of California, Irvine (UCI): Situated less than one mile southwest (a 3-minute drive or 15-minute walk along University Drive), making the park an accessible recreational stop for students, university faculty, and visitors attending campus lectures or events.
• San Joaquin Marsh & Wildlife Sanctuary: Located roughly 2 miles northwest, offering over 300 acres of coastal freshwater wetlands and quiet nature trails.
• Rancho San Joaquin & Strawberry Farms Golf Clubs: Both premier public golf courses are located within a 5-minute drive, offering 18-hole championship play.
• University Town Center (UTC) & Culver Plaza: Located within a 5-minute drive, these bustling commercial centers feature diverse international dining, casual eateries, coffee houses, and grocery markets.

Access, Navigation & Transit Connectivity

Vehicular access to the parking facility is gained via the park's primary signalized entrance off University Drive, located between Culver Drive and Harvard Avenue. Vehicles pass through a dedicated park ranger entry kiosk with multi-lane queue space designed to prevent backups onto University Drive. Exiting the grounds is simple and controlled, offering dedicated turn lanes heading east toward Harvard Avenue or west toward Culver Drive.

Commuters enjoy exceptional freeway connectivity, with Interstate 405 (San Diego Freeway) accessible just 1.5 miles north via Culver Drive, and the CA-73 toll road accessible quickly via University Drive and Campus Drive. Public transit travelers can connect to Orange County Transportation Authority (OCTA) bus lines serving stops along University Drive and Culver Drive, providing convenient connections across Irvine, Newport Beach, and Santa Ana.

Facility Amenities & Key Features

• Expansive Open-Air Surface Stalls: Multiple decentralized paved parking bays providing direct proximity to amenities throughout the 339-acre grounds.
• Unrestricted Headroom: Zero overhead height limitations, accommodating tall vehicles, trucks with recreational roof racks, and high-top vans without clearance concerns.
• ADA Accessible Stalls: Designated accessible parking spaces located adjacent to paved, step-free walkways leading directly to picnic shelters, restrooms, and lakeside viewing points.
• Manned Kiosk & Pay Stations: Entry station operated during peak hours accepting electronic and card payments, alongside automated pay-and-display stations where applicable.
• Direct Trail Connectivity: Seamless access to miles of flat, paved multi-use loops connecting to the broader Irvine regional bikeway system.
• On-Site Park Amenities: Clean public restrooms, potable water stations, shaded picnic pavilions, and waste disposal bins located adjacent to parking bays.

Ideal For

• Family Gatherings & Picnics: Drivers organizing celebrations, birthday parties, and weekend barbecues at reservable lakeside pavilions.
• Outdoor Fitness & Dog Walkers: Runners, cyclists, and dog owners seeking a scenic, safe, and flat trail network beneath mature shade trees.
• Model Boat & RC Hobbyists: Visitors transporting remote-control scale boats and watercraft to the park's designated sailing lake.
• UCI Students & Families: Visitors seeking peaceful off-campus recreation or quiet study spots surrounded by nature.
• Birdwatchers & Nature Photographers: Enthusiasts exploring urban wildlife, waterfowl, and the adjoining wilderness preserve areas.

Visitor & Driver Tips

Daily parking entry is charged per vehicle, generally priced at $3 Monday through Friday and $5 on Saturdays and Sundays (special event or major holiday rates may occasionally apply). Holders of the annual OC Parks pass park free of charge by showing or scanning their permit at entry. Park hours follow seasonal daylight schedules: the grounds open at 7:00 AM year-round, closing at 9:00 PM during spring/summer and 6:00 PM during fall/winter. Be sure to note posted closing times near the gate, as automated exit barriers lock promptly at park curfew. For popular weekend events, arrive before 10:30 AM to secure shaded parking near the primary playground and central lake zones.