Historic George Key Ranch is a historic house, museum, garden and orange grove, located in the City of Placentia. This beautifully landscaped site totals 2.2 acres. Located within the park is the…

Parking: $5 per vehicle entry. Please note: As of July 1, 2026, OC Parks Annual Passes are no longer accepted at Irvine Lake. Dogs: Not permittedIrvine Lake is open to shoreline fishing…

Office Hours: Monday - Friday 8 a.m. to 12 p.m. and 1 to 3:30 p.m.Parking fees: $3 per vehicle entry Monday - Friday; $5 Saturday - Sunday; Higher for some holidays and events (Fee Information)Please…

Red Rock WildernessHike atop 20 to 40-million-year-old red rocks and enjoy breathtaking views of the Santa Ana Mountains and beyond at Red Rock Wilderness. Located within OC Parks’ Irvine Ranch Open…

Irvine Ranch Historic Park is a 16.5 acre special use park that retains 24 original ranch structures that represent the proud agricultural history of Orange County and, specifically, the Irvine…

Dogs not permitted.Trails may be closed for three days or more following rain.Nix Nature Center Hours: Monday - Friday 8 a.m. to 3:30 p.m. and Saturday and Sunday 9 a.m. to 2 p.m. The…

Fall - Winter Hours, 7 a.m. to 6 p.m. PDTSpring - Summer Hours, 7 a.m. to 9 p.m. PSTOffice Hours: Monday to Friday, 8 a.m. to 3:30 p.m. The Nature Area is open daily from 7 a.m. to 3 p.m.…

Fall - Winter Hours, 7 a.m to 6 p.m. PSTSpring - Summer Hours, 7 a.m to 9 p.m. PDTOffice Hours: Every other Monday 8 a.m. to 3:30 p.m., Tuesday – Friday 8 a.m. to 4:30 p.m.  Please…

Day Use: Open year-round 7 a.m. to sunset.Trails: Closed for three days following rain.Camping: Year-round, check-out at 12 p.m., check-in at 2 p.m.,Office hours: 7 a.m. to 8 p.m. dailyParking fees (…

Events and ProgramsPlease visit our branch calendar to learn about upcoming events and programs at the library. Resources and ServicesAWE Stations: Two computers for children ages 2-8,…