Black Diamond Mines Regional Preserve is an East Bay park spanning more than five thousand acres.
I spotted what looked like an easy four mile loop. It was nearly seven, I guess all the .3’s really do add up. The loop we did was a mix of exposed sunny ridgelines and shady canyons. We went on a ‘cold’ day which was still high 80s and a nice sweltering break from the San Francisco fog.
Kate taking a break outside of ‘Jim’s Place’.
Gill and Kate, again outside of' ‘Jim’s Place’.
Gill with a view to Pittsburg and the California Delta.
Hike starts at: 37.958487, -121.862883.
- Round Top loop at Sibley Volcanic Regional Preserve
- Short Shell Ridge Open Space Loop
- Richards Fire Road
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