Mount Hamilton is a prominent region in the Diablo Range east of San Jose, California, characterized by its rugged terrain, extensive oak woodlands, and chaparral. This area offers a remote, semi-wilderness environment with significant elevation changes, making it a notable destination for outdoor pursuits. The landscape provides panoramic vistas of the Santa Clara Valley and beyond, attracting enthusiasts of several sports like road cycling and touring cycling.
Mount Hamilton offers numerous routes for outdoorβ¦
19
Routes
5
(2)
Average rating
116
People visited

20
riders
43.3km
01:49
270m
270m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

15
riders
43.8km
01:47
240m
240m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

8
riders
74.3km
03:18
620m
620m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

5
riders
65.5km
02:45
430m
430m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?

13
riders
29.6km
02:31
500m
500m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

6
riders
50.2km
03:14
650m
650m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5
riders
103km
06:35
1,270m
1,270m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
4
riders
35.4km
02:16
450m
450m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Mount Hamilton is primarily known for road cycling and touring cycling. The region offers routes with significant elevation gain and long, remote roads, providing a challenging yet rewarding experience for cyclists.
Mount Hamilton is the tallest peak in the Bay Area, reaching an elevation of 4,265 feet (1,300 meters). Cycling routes to the summit can involve nearly 5,000 feet of elevation gain.
Road cycling routes feature long, remote roads with minimal traffic. The main Mount Hamilton Road (Route 130) has generally manageable gradients, rarely exceeding 6.5%, making it a long 'grinder' climb that tests stamina. The roads are well-paved, with some sections recently repaved.
The summit of Mount Hamilton is home to the historic Lick Observatory, identifiable by its iconic white domes. From the peak, panoramic views of the Santa Clara Valley, San Francisco Bay, and surrounding areas are visible, extending to Mount Tamalpais and Yosemite National Park on clear days.
Yes, komoot offers guides to help explore the area. Cyclists can refer to the Road Cycling Routes around Mount Hamilton guide and the Cycling around Mount Hamilton guide for detailed information.
The Mount Hamilton region is a critical wildlife corridor supporting species such as bobcats, mountain lions, tule elk, red-legged frogs, and golden eagles. California condors have also been sighted in the area, which features diverse ecosystems including chaparral and oak woodlands.
Mount Hamilton Road stretches 19 miles (30.6 kilometers) without traffic lights from Alum Rock Avenue to the summit. This provides an uninterrupted ride through picturesque landscapes.
Routes in Mount Hamilton have an average rating of 5.0 out of 5 stars on komoot. More than 200 visitors have shared their experiences, contributing to this high rating.
The official website for Lick Observatory, the primary visitor destination on Mount Hamilton, is ucolick.org.
The phone number for Lick Observatory Visitor Services is +1-408-274-5061.
Mount Hamilton is known for its long, remote roads, consistent moderate grades, and significant elevation gain, making it a well-recognized training ground for long-distance rides. It has been featured multiple times in the Tour of California.
Mines Road, a route that can lead to Mount Hamilton, is over 50 miles (80 kilometers) long from Livermore and has only one establishment along the way. The main Mount Hamilton Road is generally remote with limited services.

