Best mountain peaks around San Miguel are primarily found within Mount Diablo State Park, a prominent natural area in the East Bay region. This area features diverse landscapes, offering expansive views across the San Francisco Bay Area. Visitors can explore various summits and trails that provide panoramic vistas of the surrounding valleys, the city of San Francisco, and even the distant Sierra Nevadas on clear days. The region is characterized by its significant elevation changes and accessible viewpoints.
Last updated: May 12, 2026
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Mount Diablo, is the Bay Area second-highest peak at 1173m (3849ft). The challenging climb features constantly fluctuating gradients averaging 8%, with tough sections up to 18% and a brutal 23% finish in the last 200m. The equally demanding descent requires good bike handling due to tight corners, potholes, and strong winds. The road to the top is open daily from 8 AM till sunset.
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One of the fiercest peaks in the Bay. Always worth the effort. It’s often much cooler on the summit than the rest of the trails — there is a water spigot up there to fill up bottles. Also a store is open at some times. Don’t bank on it.
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Twin Peaks in Mount Diablo State Park, not to be confused with the famous San Francisco landmarks, is a pair of prominent summits providing breathtaking vistas of the park's diverse landscapes.
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Mount Diablo is 3,849 feet in elevation and is visible from most of the San Francisco Bay Area.
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This trail provides access to the south face of Mount Diablo's summit. To the right, you will see the Mary Bowerman Trail that turns back into the Summit Trail if you want to reach the actual summit area. There is a restroom building and a summit building with an observation deck on the roof.
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From this ridge you embrace quite a few points of view. Starting with the valleys of Ignacio, San Ramon and Amador. Further on, Mount Diablo stands out.
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Mount Diablo is one of the highest peaks in the Bay area. The summit offers outstanding views that you will remember for a long time.
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The most popular mountain peak in the San Miguel area, primarily within Mount Diablo State Park, is Mount Diablo Summit. It's the highest point in the East Bay and offers expansive views. Other highly regarded peaks include Eagle Peak and Twin Peaks, both offering unique perspectives of the surrounding landscape.
From the mountain peaks around San Miguel, you can expect phenomenal panoramic views. From Mount Diablo Summit, on a clear day, you can see the San Francisco Bay, the Santa Cruz Mountains, the Central Valley, and even the snow-capped Sierra Nevadas in the distance. Eagle Peak provides great views of the Bay Area's visible volcano peak and the areas below, while Twin Peaks offers breathtaking vistas of the park's diverse volcanic landscapes.
Yes, Mount Diablo Summit is considered family-friendly, as you can drive to the top. The summit area includes a restroom building and an observation deck, making it accessible for visitors of all ages to enjoy the views.
Many of the trails leading to the peaks around San Miguel are rated as intermediate. For example, the Summit Trail, Eagle Peak, and Twin Peaks are all categorized as intermediate. Mount Diablo Summit also has challenging sections for those who choose to hike up.
Yes, you can drive to the summit of Mount Diablo Summit. This makes it easily accessible for visitors who prefer not to hike or for families with young children.
The mountain peaks around San Miguel are part of Mount Diablo State Park, characterized by diverse landscapes. You'll encounter prominent summits, scenic viewpoints, and significant elevation changes. The area offers views of the San Francisco Bay, the Santa Cruz Mountains, and the Central Valley, showcasing a blend of urban and natural vistas.
Beyond hiking to the peaks, the San Miguel area offers a variety of outdoor activities. You can explore numerous mountain biking trails, such as those found in the MTB Trails around San Miguel guide, or enjoy road cycling and touring bicycle routes. Popular cycling routes include the Lamorinda Trail Loop and routes leading to Mount Diablo Summit, as detailed in the Cycling around San Miguel guide and Road Cycling Routes around San Miguel guide.
Yes, the Summit Trail provides direct access to the south face of Mount Diablo's summit. This trail leads to the main summit area, which features an observation deck for visitors.
Visitors particularly enjoy the expansive, panoramic views from the peaks, especially from Mount Diablo Summit, where on clear days you can see across the entire Bay Area and beyond. The accessibility of some summits by car and the variety of intermediate trails also contribute to a positive experience, as evidenced by the community's 69 upvotes and 45 shared photos.
In addition to the main summits, Las Trampas Ridge offers excellent viewpoints. From this ridge, you can embrace views of the Ignacio, San Ramon, and Amador valleys, with Mount Diablo standing out prominently in the distance.
Yes, Twin Peaks in Mount Diablo State Park offers breathtaking vistas of the park's diverse volcanic landscapes. Additionally, Eagle Peak provides views of the Bay Area's most visible volcano peak.


See even more amazing summits around San Miguel with these guides: