We left San Francisco and headed south to one of our county’s newest National Parks, Pinnacles. Pinnacles is small in terms of acreage but offers some great hiking trails and rock climbing. It’s also home to endangered condors and bats, among other wildlife, and the trails offer views over the canyons that send warm air currents upward for gliding condors to hover above; their nests are along the tree branches lining the steep walls. There are a couple caves, too, but they were closed during our July visit…