Robert Sibley Volcanic Regional Preserve - Going Back to Round Top Loop Trail

This guy looks like he missed his medication...

Geological Marking #5. Quarry Pit where a massive basalt was removed...

Trail: Overlook Trail - Round Top Loop Trail - Volcanic Trail (Loop Back) - Round Top Loop Trail - Bay Area Ridge Trail - Huckleberry Path Loop - Bay Area Ridge Trail - Overlook Trail

Total Distance: 7.75 miles

Next, more views from Volcanic Trail...

Big thanks to East Bay Regional Park District and Bay Area Hiker


~~ CK