Mount Diablo, is the Bay Area second-highest peak at 1173m (3849ft). The challenging climb features constantly fluctuating gradients averaging 8%, with tough sections up to 18% and a brutal 23% …
This is a fantastic rocky outcrop just beneath Mount Diablo's main summit. It is worth scrambling to the top to get more of the incredible views this area offers.
The views from Mount Olympia are virtually unobstructed to the north, east and west. From this spot, you can see the nearby rivers, bays and cities. There is even a …
This preserve is a treasure trove of history, home to the remnants of three mining towns, including former coal and sand mines. The park features include an underground visitor center, …