Uncategorized Summit Rd. In Mt. Diablo State Park Closed At Diablo Overlook Due To Icy Conditions, Snow by CLAYCORD.com January 17, 2020 - 10:00 AM January 17, 2020 - 10:00 AM 0 comment Summit Road in Mt. Diablo State Park is closed at Diablo Overlook near Juniper Campground due to icy conditions and snow, according to park officials. It’s unknown when it will reopen. Share 0 FacebookTwitterPinterestEmail previous post NorCal Bank Robber Sentenced For 17 Robberies, 2 Attempted Heists next post 54-Year-Old Woman Killed In Morning Collision On Port Chicago Hwy. In Concord