2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park2017 Junction Hammerfest at Mount Diablo State Park