Geological forces from colliding earth plates pushed up Mount Diablo and its layers of coal. “Here is the burrow of a crab from 50 million years ago where it pushed out sand,” Dedmon said as ...

Bicyclists and other friends of Joe Shami --- the proclaimed "Legend of Mount Diablo" bicyclists --- will hold a memorial service for him next month that is likely to include an optional bike ride ...

Joe Shami, 83, of Lafayette, rides up to the summit of Mt. Diablo State Park in Contra Costa County, Calif., on Sunday, Jan. 14, 2018. Shami rode his 500th consecutive weekly bike ride up Mount ...