Untitled-4_subway Published October 24, 2011 at 800 × 556 in Caltrain+BART+Bike = Mt Diablo, 80 miles, 6400ft of climbing= great ride, but oh my has the Dumbarton bike path deteriorated! Lunch at the Subway in San Ramon (Camino Tassajara & Blackhawk Road) Lunch at the Subway in San Ramon (Camino Tassajara & Blackhawk Road)