Canyon restroom availability in Walnut Creek, California

Castle Rock Regional Recreation Area is a picturesque park and tourist attraction located at 1700 Castle Rock Road in Walnut Creek, California, United States. The park offers various amenities such as basketball courts, horseshoe pits, a volleyball court, a softball field, and picnic sites that are open to the public daily. The park is dominated by oak woodlands and sandstone formations, creating a scenic canyon along Pine Creek. The Castle Rock area is part of Diablo Foothills Regional Park and is bordered by Mount Diablo State Park and Walnut Creek Open Space, providing access to over 18,000 acres of public lands.