Best hikes in Diablo Foothills Regional Park

Ambleway maps 8 hikes in Diablo Foothills Regional Park, from a 2.2-mile walk to a 11-mile day out. All of them score as wild, staying clear of roads and development for most of the route; the wildest is Sulfur Spring–Briones to Mt. Diablo Regional Trail, 5 sights. The biggest climb is Castle Rock Trail–Fairy Lantern Trail, 4 sights, gaining 1,746 ft, and the network tops out at 961 ft.