Single track riding on the White Oak Trail in Montebello Open Spacer Preserve. Rode up Alpine Road from Portola Valley after a tour of the Military Vehicle Technology Foundation. Then down White Oak and Stevens Canyon trails back to Cupertino, about 10 miles of dirt riding. 45 miles and almost 4000 ft. of climbing: http://connect.garmin.com/activity/199234953   (11/16)