Mountain peaks around Diablo California offer diverse landscapes and panoramic views across the San Francisco Bay Area. The Diablo Range, located in Northern California, features prominent peaks like Mount Diablo, which is visible from much of the region. These peaks provide extensive trails for hiking and are known for their biodiversity and unique geological features. Visitors can experience challenging climbs and exceptional vistas extending for hundreds of miles on clear days.
Last updated: June 24, 2026
Highlight β’ Summit
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Highlight (Segment) β’ Trail
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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. Itβs often much cooler on the summit than the rest of the trails β there is a water spigot up there to fill up bottles. Also a store is open at some times. Donβt 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 Diablo Range features several notable peaks. Mount Diablo Summit is the highest peak in the East Bay area, offering extensive views. Other significant summits include Eagle Peak, known for its perspectives of Mount Diablo, and Twin Peaks, which provides breathtaking vistas of the park's diverse landscapes. Further south, San Benito Mountain is the tallest peak in the entire range.
From the Mount Diablo Summit, you can enjoy exceptional panoramic views that can extend for hundreds of miles on clear days. Visitors often see the city of San Francisco, the Pacific Ocean, and even the snow-capped Sierra Nevadas in the distance. After winter storms, the views are particularly stunning.
Yes, Mount Diablo State Park offers accessible options. The Mount Diablo Summit is considered family-friendly, as you can drive to the top. The summit area also includes a restroom building and an observation deck, making it convenient for families.
The Diablo Range offers beautiful experiences year-round. Clear days, especially after winter storms, provide the most stunning panoramic views from peaks like Mount Diablo, with the Sierra Nevada visible. Spring is ideal for experiencing wildflowers, while cooler months are often preferred for hiking.
Mount Diablo State Park offers extensive trails for various skill levels. For example, the Summit Trail provides access to the south face of Mount Diablo's summit. You can find many easy hikes around Diablo, such as the Shady Slope, Short Ridge and Sand Hill Trail Loop, or the Summit Trail to Rock City and Sentinel Rock. Explore more options on the Easy hikes around Diablo guide.
Yes, the Diablo region offers challenging hikes with fluctuating gradients. For instance, the Mount Diablo Summit β Juniper Trail loop is a difficult running route, and the Mount Diablo loop from Rock City also presents a significant challenge. These trails are popular with experienced hikers and runners seeking a demanding outdoor experience.
Beyond the main summit, Eagle Peak offers distinct perspectives of Mount Diablo and the surrounding Bay Area. Las Trampas Ridge provides multiple viewpoints overlooking the valleys of Ignacio, San Ramon, and Amador, with Mount Diablo prominently in view. San Benito Mountain is also notable for its unique serpentine soils supporting rare plant species.
Yes, Mount Diablo is relatively accessible, with a road leading directly to the summit. This allows a wide range of visitors to experience its impressive views without a strenuous hike.
Besides hiking, the Diablo area is popular for road cycling and running. You can find various road cycling routes, including the Livermore loop or the Iron Horse Regional Trail Loop, detailed in the Road Cycling Routes around Diablo guide. For runners, trails like the Mount Diablo Summit β Juniper Trail loop offer challenging experiences, as seen in the Running Trails around Diablo guide.
The Diablo Range is crucial for biodiversity and conservation. Areas like San Benito Mountain are vital due to their unique geological features and the rare plant species they harbor. The range as a whole is considered essential for habitat connectivity, supporting a rich array of endemic plant species.
Yes, the Summit Trail leads to the actual summit area of Mount Diablo, which includes a restroom building and a summit building with an observation deck on its roof. This provides a comfortable way to enjoy the views.
Mount Diablo stands at an elevation of 3,849 feet (1,173 meters). It is the highest peak in the East Bay area of Northern California.


See even more amazing summits around Diablo with these guides: