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Hiking trails & Routes
United States
California
Contra Costa County

North Peak Loop via Donner Canyon

Hard

3.1

(15)

89

hikers

North Peak Loop via Donner Canyon

06:38

19.3km

1,010m

Hiking

Embark on the North Peak Loop via Donner Canyon for a challenging hike through varied landscapes. You will traverse woodlands, open grasslands, and dense chaparral, experiencing a dynamic shift in scenery as you climb. This difficult 12.0-mile (19.3 km) route demands a substantial effort, with a total elevation gain of 3320 feet (1012 metres) over approximately 6 hours and 37 minutes. As you ascend, you will be rewarded with expansive views from North Peak, stretching out towards the Coast Range on clear days. The trail offers a true test of endurance with its consistent uphill sections.

Given the extensive network of trails within Mount Diablo State Park, it is wise to carry a detailed map or use a reliable navigation app to ensure you stay on course. Be aware that certain sections of the trail can become rocky and slippery, particularly after periods of rain. Therefore, wearing appropriate footwear with good grip is essential, and exercising caution on descents is always recommended. Plan to start early to allow ample time to complete the full loop before dusk.

This route is particularly notable for its seasonal waterfalls within the Donner Canyon section, which are most active between January and March following winter rains. Beyond the scenic beauty, keep an eye out for diverse wildlife such as deer and tarantulas, especially during the cooler parts of the day. The changing ecosystems you encounter, from shaded woodlands to exposed chaparral, highlight the rich biodiversity of Mount Diablo State Park.

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

4.00 km

Donner Cabin

Ruins

9.58 km

Mount Olympia

Peak

11.3 km

North Peak

Peak

4

16.2 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

B

19.3 km

End point

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Way Types & Surfaces

Way Types

10.5 km

8.65 km

178 m

Surfaces

14.0 km

5.16 km

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.

Highest point (1,040 m)

Lowest point (170 m)

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Weather

Powered by Foreca

Today

Thursday 9 July

31°C

13°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

How challenging is the North Peak Loop via Donner Canyon hike?

This is considered a difficult hike. It involves significant elevation gain, with steep sections, especially leading up to North Peak and Mount Olympia. The varied terrain includes single-track trails and wider fire roads, which can be rocky and slippery after rain. It's a demanding route best suited for experienced hikers.

What is the terrain like on this loop?

The terrain is quite diverse. You'll encounter a mix of single-track trails and wider fire roads. While the initial mile of the Donner Canyon Road Loop is relatively flat, the trail quickly becomes steeper. Expect rocky and potentially slippery sections, particularly after winter rains, requiring careful footing.

What kind of scenery and wildlife can I expect to see?

The trail offers a rich tapestry of natural environments, including woodlands, grasslands, and dense chaparral. Depending on the season, you might see vibrant fall foliage, abundant wildflowers in spring, or various berries in fall and winter. Wildlife is diverse, with opportunities to spot deer, snakes, and even tarantulas (especially in early morning or late afternoon during certain seasons). Large birds like turkeys and coyotes are also present.

Are there any notable viewpoints along the trail?

Yes, as you ascend, spectacular views of the summit and North Peak emerge. From higher elevations, you can enjoy expansive views that may encompass the Coast Range. Be sure to take in the View of Donner Canyon, a highlight along the route.

What is the best time of year to hike the North Peak Loop via Donner Canyon?

The best time depends on what you want to see. Between January and March, after winter rains, the Donner Canyon section is particularly popular for its multiple waterfalls. Spring brings an abundance of wildflowers, while fall offers vibrant foliage and berries. Be aware that some wildlife, like tarantulas, are more active in certain seasons.

Does the trail intersect other well-known paths?

Yes, the route utilizes sections of several other trails. You'll find yourself on parts of the Falls Trail Loop, the ADT - California - T - Seg 7, the Mokelumne Coast to Crest Trail, the Back Creek Trail, and the Bald Ridge Trail.

Where can I park to access this trail?

The North Peak Loop via Donner Canyon is located within Mount Diablo State Park. Specific trailhead parking information can often be found on the park's official website. It's advisable to check the park's website for current parking availability and any potential fees or restrictions before your visit.

Are there any fees or permits required to hike in Mount Diablo State Park?

Yes, Mount Diablo State Park typically charges an entrance fee per vehicle. You can find the most current fee schedule and any permit requirements on the official California State Parks website: ca.gov. It's always a good idea to check before you go.

Is the North Peak Loop via Donner Canyon trail dog-friendly?

Generally, dogs are permitted on paved roads and in developed areas within Mount Diablo State Park, but they are often restricted from unpaved trails to protect wildlife. It's crucial to check the specific regulations for dogs on trails within Mount Diablo State Park on the official park website before planning your hike.

Is this hike suitable for families or beginners?

The North Peak Loop via Donner Canyon is classified as a difficult hike and is generally not recommended for beginners or young children due to its significant elevation gain, steep sections, and varied terrain. While the initial mile of the Donner Canyon Road Loop is relatively flat, the trail quickly becomes much more challenging.

What should I bring for this hike?

Given its challenging nature and length, you should bring plenty of water, especially on warmer days, as water sources on the trail may be limited. Sturdy hiking boots with good ankle support are essential for the varied and potentially rocky terrain. A map or a reliable navigation app is highly recommended due to the extensive network of trails in the park. Sun protection, layers of clothing, and snacks are also advisable.

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