Untitled-2_top Published October 24, 2011 at 800 × 517 in Caltrain+BART+Bike = Mt Diablo, 80 miles, 6400ft of climbing= great ride, but oh my has the Dumbarton bike path deteriorated! The final run to the top of the Mt Diablo climb, dreadfully steep but mercilessly short The final run to the top of the Mt Diablo climb, dreadfully steep but mercilessly short