Mt.Diablo, to the Top and Back DBT005, 30.6 miles, 3825.feet of climbing Meet in Danville, at Diablo Vista Park Take Hwy 680 north, exit at Crow Canyon, go east about 4 miles, Right on Tassajara Ranch Rd GO TOTAL TURN ROAD NAME START AT DIABLO VISTA PARK 0.0 L TASSAJARA RANCH RD 0.1 0.1 R CROW CANYON RD 0.4 0.5 S BLACKHAWK RD. 3.5 4.0 R MOUNT DIABLO SCENIC BLVD 1.1 5.1 S SOUTH GATE RD. 5.8 10.9 R SUMMIT RD. 4.4 15.3 X MOUNT DIABLO - Reststop 0.0 15.3 U SUMMIT RD. 4.5 19.8 L SOUTH GATE RD. 6.8 26.6 L BLACKHAWK RD. 3.5 30.1 S CROW CANYON RD 0.4 30.5 L TASSAJARA RANCH RD 0.1 30.6 END DIABLO VISTA PARK R=Right, L=Left, X=Cross, U=Uturn, S=straight