From Greenbelt Alliance :
Roll along bike paths and through charming neighborhoods to check out the latest developments in Hercules and Richmond. Join representatives from Greenbelt Alliance and East Bay Bicycle Coalition on a bike ride through North West Contra Costa County. We’ll get some exercise, discuss the most recent advocacy work on behalf of bikes and public transit in the county, and enjoy a rest stop in Point Pinole Regional Park.
RSVP online 
Rating: E/M 25 A 
Co-leaders: Evan Lovett-Harris and Sara Barz
What to bring: Helmets, a spare tube, water and a working bicycle are required. Snacks are strongly suggested. Please inflate your bicycle tires before meeting at BART.