Port Costa ride #9?
I’ve been riding a variant on this 30-mile loop once or twice a year for 6 or 7 years and it never gets old. From Pleasant Hill or Walnut Creek BART along off-road canalside trails, then up the long but not steep uphill of McEwen between rolling hills of flowers and cows, down to the quirky Port Costa for a picnic and drink among pallets, potholes, and old theatre signs outside the Warehouse Cafe, then back along the twist, car-free Carquinez Scenic Drive along Carquinez Strait: ...