Best mountain peaks around Concord are centered around the prominent Mount Diablo, a significant landmark in California's East Bay region. This area is characterized by its isolated upthrust peaks, offering extensive panoramic views across the San Francisco Bay Area. The natural landscape provides a habitat for diverse plant and animal species, making it a notable destination for outdoor exploration. Visitors can find a variety of trails and recreational opportunities within this mountainous terrain.
Last updated: May 12, 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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The name-giving lake of the Hidden Lakes Park is located in the center of the area. It is encircled by multiple nice hiking trails that lead through a lush green scenery. The lake itself features a water fountain.
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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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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 prominent peak is undoubtedly Mount Diablo Summit, standing at 3,849 feet (1,173 meters) and offering panoramic views across the San Francisco Bay Area. Other notable peaks include Eagle Peak, which provides excellent views of Mount Diablo itself, and Twin Peaks, known for its challenging climbs and diverse vistas within Mount Diablo State Park.
From Mount Diablo Summit, you can experience exceptional panoramic views that, on a clear day, can extend to 35 out of California's 58 counties, including landmarks like Lassen Peak and the Farallon Islands. You might even see the Sierra Nevadas. Eagle Peak and Twin Peaks also offer stunning perspectives of the Bay Area and Mount Diablo's unique volcanic landscape.
Yes, Mount Diablo State Park offers trails suitable for families. While some ascents are challenging, there are easier sections and areas like Hidden Lake, which is part of a park with multiple nice hiking trails through lush scenery, making it a good option for families. For more general easy hikes in the area, you can explore routes like the Ohlone Trail to Buckeye Loop or the Contra Costa Canal Trail, which are listed in the Easy hikes around Concord guide.
The best visibility for distant views from Mount Diablo Summit is typically during winter after a storm. However, spring and fall generally offer pleasant temperatures for hiking. Summers can be hot, so early morning hikes are recommended during those months.
Beyond hiking, the area around Concord offers diverse outdoor activities. You can enjoy mountain biking, rock climbing, and camping within Mount Diablo State Park. For cycling enthusiasts, the challenging ascent to Mount Diablo Summit is very popular. You can also find various gravel biking routes, such as the Curry Point β Mount Diablo Summit loop, detailed in the Gravel biking around Concord guide, and dedicated MTB trails like the Nortonville and Black Diamond Trail Loop, found in the MTB Trails around Concord guide.
Yes, the mountain peaks around Concord offer several challenging options. The ascent to Mount Diablo Summit is a demanding climb, popular with cyclists and hikers alike, featuring fluctuating gradients. The trails leading to Twin Peaks are also known for their challenging nature, providing a great training ground for more strenuous treks.
Mount Diablo State Park is home to diverse natural features. You can explore areas like Hidden Lake, which features a large lake with an aeration fountain and surrounding hiking trails. The park also boasts a rich diversity of over 400 plant and animal species, making it ideal for wildlife viewing, especially in areas like the Mitchell Canyon.
The Summit Trail provides direct access to the south face of Mount Diablo's summit. From there, you can connect to the Mary Bowerman Trail to reach the observation deck and summit building. Other trails, like the Juniper Trail, also offer routes to the top.
At the summit of Mount Diablo, you'll find a building with an observation deck on the roof, offering incredible views. Restrooms are also available at the summit area, providing convenience for visitors.
Yes, you can drive to the top of Mount Diablo Summit. This makes the panoramic views accessible to a wider range of visitors, including those who may not be able to hike the entire way.
Mount Diablo is an isolated upthrust peak of the Diablo Range, formed by tectonic forces. Its geology is unique, featuring ancient seabed rocks and pillow lavas found at its upper and middle altitudes, which tell a story of its formation from an ancient ocean floor.
For more detailed information about Mount Diablo State Park, including current conditions, fees, and regulations, you can visit the official California State Parks website. You can also find general outdoor information for the Concord area at visitconcordca.com/outdoors/.


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