View a map of this area and more on Natural Atlas. View a map of this area and more on Natural Atlas. Park Ridge Trailhead is a trailhead in Morro Bay State Park, CA. Public information for Sensitive Species is restricted due to potential harmful impact to these birds. 1,525 m blue mixed trail. Park Ridge- Live Oak Connector mountain biking trail in Morro Bay State Park, California. Park Ridge is a double peaked ridge, elevated at 911ft, which stands next to Cerro Cabrillo, one of the Nine Sisters. Park Ridge Trail is a trail on the Pacific Ocean and Los Osos Creek in Morro Bay State Park, CA. Site-specific information is visible only to the observer and eBird reviewer(s) for the region. 282 m blue singletrack trail. Park Ridge Trail mountain biking trail in Morro Bay State Park, California.