The Chino Hillls State Park is a state park and nature reserve in Chino Hills, California. It is considered as a significant natural open space preserve and a major botanical habitat for migrating and resident wildlife.

Deemed as a critical link in the Chino-Puente Hills wildlife corridor, the Chino Hills State Park is the first time that the state of California purchased land for preservation of such. Its 12,452 acres contain grassy hills, and stands of oaks and sycamores.

Founded in 1977, the Chino Hills State Park also provides a great escape from the buzzing city life. Visitors can go camping, biking, hiking, horseback riding, wildlife viewing, and picnicking at the site. A Discovery Center is also recently opened to provide more information to the public about environmental conservation and preservation.