Mt Diablo Region Mount Diablo TrailMount Diablo State Park encompasses about 20,000 acres and includes the peak with an elevation of 3,849 feet.Mt Diablo TrailMount Diablo State Park encompasses about 20,000 acres and includes the peak with an elevation of 3,849 feet.Rustic barn on hillsideOld rustic barn on lush green hillside with cows lounging in the shade of trees.Rustic weathered barn and oak trees on hillsideOld rustic barn and oak trees on lush green hillside.Weathered farm building sceneWeathered and rustic farm building and oak trees on lush green hillside.Mt Diablo view with lush rolling hills in foregroundSpringtime view of Mt Diablo from Mt Wanda area of John Muir National Historic Site. Lush springtime green rolling hills with Mt Diablo in the distance.View of Mt Diablo with lush rolling hills in foregroundSpringtime view of Mt Diablo from Mt Wanda area of John Muir National Historic Site. Lush springtime green rolling hills with Mt Diablo in the distance.Colorful graffiti on bridge supportColorful graffiti and rust on train bridge support.Union Pacific Locomotive 7309Union Pacific locomotive pulling freight train near Martinez, CA.Lush valley slope viewView of lush tree-covered valley slope with farmhouse nestled among the trees in the Mt Wanda area of John Muir National Historic Site.Mt Wanda trail view of lush hillsidesLush grass and oak tree-covered hills and valleys viewed from the Mt Wanda trail near the John Muir National Historic Site.Rustic barn wood wall background imageAged and weathered wood boards with knotholes and nails.Rustic fence and path with barn.Wooden fence and path on a green hillside with barn on the distant ridgeline.Lush hillside and rustic fence with barn.Wooden fence and path on a lush green hillside with barn on the distant ridgeline.Mount Diablo Trail, CaliforniaMount Diablo State Park encompasses about 20,000 acres and includes the peak with an elevation of 3,849 feet.Resting atop Mt Wanda - monochromeMt Wanda is located on the John Muir Land Trust site, which was once part of Muir's landholdings near Martinez, California. Mt Wanda was named by John Muir after his eldest daughter. PinLinkedIn