Two Ridges & Creek Hike

Entrance to Shell Ridge Open Space End of Marshall Drive Walnut Creek, CA 94598

Mount Diablo’s two peaks rise above us as we climb Shell Ridge via a gentle switchback, hike that ridge and the next, then descend and complete our loop via the…

Fossils & Birds

Entrance to Shell Ridge Open Space End of Marshall Drive Walnut Creek, CA 94598

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Enjoy spotting birds as we meander through the…

Shell Ridge Vistas

Entrance to Shell Ridge Open Space End of Marshall Drive Walnut Creek, CA 94598

All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area. About this Event Mount Diablo’s two peaks rise above us as…

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