Mount Diablo Summit

Bicyclists on Mt. Diablo State Park Summit
Distance: 25.6 miles
Elevation: 3,537ft
Difficulty: Hard

The Mount Diablo Summit ride is one of the toughest cycling routes in the Tri-Valley. Cyclists from around the world come to climb this popular tourist destination. Climb over 3,500 ft. to the mountain’s summit for panoramic views of the entire Bay Area. On clear days, you might even be able to spot Lassen Peak and Half Dome from hundreds of miles away.