Mt. Diablo Challenge 2025
Danville, California 2100 Mt Diablo Scenic Blvd, Danville, CA, United StatesLast updated November 11, 2024 Valley Spokesmen Bicycling Club is celebrating the 42nd annual Mt. Diablo Challenge, an 11.2-mile ride that climbs to the summit of Mount Diablo, one of the highest peaks in the Bay Area. It is a 3,249-foot climb up South Gate Road through Mount Diablo State Park that is closed to…