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Routes
Hiking trails & Routes
United States
California
Contra Costa County

Eagle Peak Loop

Moderate

4.8

(1757)

13,594

hikers

Eagle Peak Loop

03:36

9.88km

640m

Hiking

Hike the challenging 6.1-mile Eagle Peak Loop in Mount Diablo State Park, featuring 2084 feet of gain and panoramic Bay Area views.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

Parking

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1

3.29 km

View of Donner Canyon

Highlight • Viewpoint

Donner Canyon is full of spectacular views as far as the eye can see. Incredible mountain views, wildflowers and wildlife fill this hidden ravine making it an excellent opportunity to take some great photos.

Tip by

2

5.96 km

Eagle Peak

Highlight • Summit

A side peak in Mount Diablo State Park slightly west of the main summit, Eagle Peak with 722m elevation provides great views of Bay Area's most visible volcano peak and …

Tip by

3

7.61 km

Twin Peaks

Highlight • Summit

Just east of the Twin Peaks the trail touches this great overlook with views of the Mt Diablo volcanic landscape.

Tip by

B

9.88 km

End point

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Way Types & Surfaces

Way Types

8.86 km

839 m

178 m

Surfaces

8.98 km

730 m

124 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Monday 1 June

30°C

14°C

0 %

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Max wind speed: 13.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Eagle Peak Loop?

The Eagle Peak Loop is a challenging hike that typically takes around 3.5 hours to complete. This duration can vary based on your pace and how often you stop to enjoy the views.

What is the difficulty level of this hike?

This loop is generally rated as moderate to difficult. Hikers should be prepared for sustained climbs and significant elevation gain, with some sections being quite steep and rocky. The descent from Eagle Peak can also be steep with loose gravel, requiring careful footing.

Where does the Eagle Peak Loop trail start and where can I park?

While the exact starting point can vary, a common access point is within Mount Diablo State Park. Parking information for specific trailheads within the park should be checked directly with the park's official resources, as it can change.

What kind of terrain will I encounter on the trail?

The terrain is diverse, starting with broad fire roads through grasslands and oak trees. As you ascend, the path becomes narrower, steeper, and rockier, transitioning into chaparral and woodland. You'll experience significant grades and exposed sections, with habitats shifting throughout the hike.

What views and landmarks can I expect to see along the route?

The trail offers awesome panoramic views of Mount Diablo, Mitchell Canyon, the San Ramon Valley, and the Bay Area. Key highlights include View of Donner Canyon, the summit of Eagle Peak, and Twin Peaks, all offering excellent perspectives.

What natural features or wildlife might I see?

In spring, the trail is vibrant with wildflowers like sticky monkeyflower, California poppy, and mariposa lily. You might also spot riparian trees along Mitchell Canyon Creek and various chaparral plants. Wildlife such as swallowtail butterflies are frequently observed.

What is the best time of year to hike this loop?

Spring is highly recommended for the abundance of wildflowers. However, the trail can be hiked year-round. Be aware that it is often exposed, making it particularly challenging on warm days, so plan accordingly and bring plenty of water.

Is the Eagle Peak Loop dog-friendly?

Regulations regarding dogs in Mount Diablo State Park can vary by trail and area. It's best to check the official Mount Diablo State Park website or signage at the trailhead for the most current rules on bringing dogs.

Are there any fees or permits required for hiking in Mount Diablo State Park?

Yes, Mount Diablo State Park typically charges an entrance fee per vehicle. Specific permits are generally not required for day hiking on established trails, but it's always wise to check the official park website for the latest fee schedule and any special regulations.

Does this trail connect with other routes?

Yes, the route also passes through sections of the Back Creek Trail, Mitchell Rock Trail, and briefly touches upon the Falls Trail Loop, ADT - California - T - Seg 7, and Mokelumne Coast to Crest Trail.

What should I know about hiking this trail on a warm day?

The trail is often exposed, meaning there's limited shade, especially on the upper sections. On warm days, this can make the hike significantly more challenging. It's crucial to start early, carry ample water, wear sun protection, and be aware of your limits.

What makes Eagle Peak a unique destination compared to other trails in Mount Diablo State Park?

Eagle Peak offers a rewarding and often more tranquil experience compared to the more crowded Mount Diablo summit. The single-track Eagle Peak Trail, with its narrow, steeper, and rockier sections, is considered a 'fun part' of the hike, providing fantastic views and a sense of peaceful solitude.

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