Contra Loma and Black Diamond Mines RP
Read the trip report at http://destination-isolation.com/ebrpd-challenge-contra-loma-and-black-diamond-mines/
Read More
Canyon
Black Diamond Mines Regional Park is riddled with canyones such as this one along the Old Homestead Loop Trail.
black diamond mines regional parkcaliforniaeast bayeast bay regional parkssan francisco bay area
