Castle Rock Trail Entrance

"The park is located at the foothills of Mt. Diablo. A beautiful piece of heaven. I enjoy every day hiking in this park. Wish I could share with everyone."

"This review is for the trail starting at the livorna road staging area. I really liked this trail. It's a lot of up and down. The map on all trails leaves out a few mountain top options, so I..."

"Beautiful! Free parking! Dog friendly! Just gorgeous! Amazing rock formations! Also, poison oak. Be aware. Open spaces like this make me happy. All of the reviews are spot on. Whatever kind of..."