Diablo is a hidden treasure surrounded by Alamo, Danville and Blackhawk communities. If you enjoy the outdoors, you will be pleased by Diablo's mature landscaping and architecture of the estates and historic homes. An unincorporated community of just under 500 homes. Direct trail access to Mt. Diablo State Park. Downtown Danville, with its quaint shops, fine dining, and entertainment is 8 minutes away. Blackhawk Plaza is about the same distance in opposite direction with dining, Draeger's Market, retail, Blackhawk Museum, waterfalls-ponds, ducks and geese.