The way points of this bicycle route:
Start at Walnut Creek BART, head EAST on Ygnacio Valley RD
Right on Clayton. At Intersection of Yganacio Valley and Clayton Rd, gas stations abound. Last services for 30 miles.
Clayton Rd turns into Marsh Creek Rd
Right on Morgan Territory Rd
Right on Manning.
Right on Highland Rd
Right on Camino Tassajara
Right at Blackhawk Rd. Intersection of Camino Tassajara and Blackhawk Rd. probably a good place to get some grub and rest.
Right at Mount Diablo Scenic Blvd
Right turn into S. Gate Rd
Turn left to stay on S. Gate Rd
Left on Mt. Diablo Scenic Blvd/aka N. Gate Rd
Veer left to stay on Northgate Gate
Turn left to stay on Northgate Rd (do not go on Arbaldo Dr.)
Right on Oak Grove Rd
Left on Ygnacio Valley Rd.
Food and refreshment available here at the Ygnacio Plaza Shopping Center
End back at Walnut Creek Rd