Rolling Hills November 21, 2020 Old Homestead Loop at Black Diamond Mines Regional Preserve; Antioch, CA Total distance walked: 5.42 miles WORDLESS WEDNESDAY The tidy trail. Heading into the hills. Michael with Mt. Diablo in the background. Rolling hills Share this: Click to share on Facebook (Opens in new window) Facebook Click to email a link to a friend (Opens in new window) Email Click to share on X (Opens in new window) X Like Loading...