The most popular activities at Rancho San Antonio County Park are jogging and hiking. Stretching bars are available at the restroom parking area and equestrian staging area. The park provides hiking, bicycling and equestrian trails which connect with over twenty three miles of trails within Rancho San Antonio Open Space Preserve. Bicycles are restricted to paved trails only, namely the Rancho San Antonio Trail, and are not permitted west of Deer Hollow Farm in the Open Space Preserve. Similarly, equestrians are limited to the equestrian staging area and Coyote Trail. Equestrians are permitted on most trails in the Open Space Preserve.