This preserve has about 500 acres of land and about five miles of dirt trails used by hikers, bicycles and horses. On a clear day, one can see views of the Bay Area from the trailhead area at an elevation of 2300 feet. The trails cover hilly grassland and lots of woods which provide a mixture of shade and sun. There is limited paved parking at turnouts off of Skyline Blvd. There is no drinking water, toilets or pay phone but there is an emergency call box.
This area is owned by Portola Ranch Homeowners association and they allow the public to use the land. The dirt trails are a combination of narrow and wide, with a mix of sun and shade. The largest elevation change is 500 feet. Please note that the Toyon trail is for pedestrian only and some of the trails do not allow dogs. There is no drinking water, restrooms or food nearby.
The center provides access to 1000 acres of private trails surrounding a small lake.
Windy Hill has about 1300 acres of land with about 12 miles of multiuse dirt trails for hikers, bicyclists and equestrians. Habitats include forested ridges, valley floors (Hamms Gulch, Eagle, Razorback Ridge, and Lost Trails), grassy ridges (Spring Ridge Trail) and spectacular views of the bay and surrounding valley (Anniversary Trail). The Betsy Crowder, Razorback, Lost, and Hamms Gulch Trails are open to horses and closed to bicycles all year round.