Brentwood has 2 hiking trails. These trails range from 4.1 to 4.2 miles in length. The most popular trail is Round Valley Regional Preserve and Los Vaqueros Watershed. Trails.com member Tanner P. recently completed Round Valley Regional Preserve.
Los Vaqueros WatershedView Trail Details
You’ll start this hike at the County Line Staging Area and walk uphill on a hiking-only loop through cattle-grazed grassland. From a ridge at ...
Round Valley Regional PreserveView Trail Details
Round Valley’s single trailhead is on a lonely country road that winds through the eastern foothills of Mount Diablo. Hikers can take long out-and-back ...