The way points of this bicycle route:
Start of Marin - Climb 1
Left on Grizzly Peak
Good place for anyone not wanting to try Marin
Start of climb2
Left on Grizzly
Sweet descent back to Berkeley
Note - narrow pavement, poor surface
Start of climb 3
Straight across to Golf Links
BioBreak opportunity
Start of Climb 4
Pitstop opportunity
Road descends briefly and provides short flat stretch
Opportunity for water and rest rooms
Take Hiller, otherwise, continue on Caldecott Lane to Ashby
Start of Climb5
Left on Grizzly Peak - keep on climbing
We're done!