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Hiking trails & Routes
United States
California
Contra Costa County

Seaborg Trail to Russell Peak

Easy

3.1

(24)

25

hikers

Seaborg Trail to Russell Peak

01:55

6.63km

170m

Hiking

Hike the easy 4.1-mile Seaborg Trail to Russell Peak in Briones Regional Park for panoramic views of the East Bay, including Mount Diablo.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

49 m

Old Briones Road Trailhead

Highlight • Trail

Large staging areas with trail in all directions. Briones Road turns into a wide gravel forest road, Old Briones Road Trail, a little past the gate.

Tip by

2

1.01 km

Seaborg Trail

Highlight (Segment) • Trail

Seaborg Trail is a beautiful route that, combined with other trails, creates an exciting loop in Briones Regional Park. Thanks to the presence of oak trees, some sections are shaded.

Tip by

3

3.25 km

Russell Peak

Highlight • Summit

Russell Peak easily offers some of the best views in the Briones Regional Park. Visits are particularly enjoyable during the spring for the wildflower bloom!

Tip by

B

6.63 km

End point

Parking

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Way Types & Surfaces

Way Types

5.92 km

440 m

244 m

Surfaces

4.73 km

757 m

680 m

440 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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Today

Thursday 23 July

29°C

13°C

0 %

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Max wind speed: 18.0 km/h

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Frequently Asked Questions

Where can I park to access the Seaborg Trail to Russell Peak?

You can typically start your hike from the Old Briones Road Trailhead. This is a common access point for trails leading into Briones Regional Park, including those that connect to the Seaborg Trail and eventually Russell Peak.

Is the Seaborg Trail to Russell Peak dog-friendly?

Yes, Briones Regional Park is generally dog-friendly. However, always keep your dog on a leash and be mindful of other hikers and wildlife. Check the park's official website for any specific regulations or seasonal restrictions regarding dogs.

When is the best time of year to hike to Russell Peak?

The best time to hike to Russell Peak is often in the spring, when the hills are vibrant green after winter rains. Fall and winter can also be pleasant, offering cooler temperatures. Summer can be very warm due to the trail's exposure, so an early start is recommended if hiking during those months.

Do I need a permit or pay an entrance fee for Briones Regional Park?

No, there are typically no entrance fees or permits required for general day-use hiking in Briones Regional Park. However, always check the East Bay Regional Park District's official website for the most current information on regulations or any special event permits.

What is the terrain like on the way to Russell Peak?

The terrain leading to Russell Peak, often via trails like the Lafayette Ridge Trail, is characterized by a 'roller-coaster' of continuous climbs and descents. You'll encounter gravel tracks and open, grassy slopes. Some sections can be fairly steep, especially the initial ascent, but it often moderates. Much of the route is exposed to the sun, though some shaded groves exist.

What kind of views can I expect from Russell Peak?

From Russell Peak, you can enjoy outstanding panoramic views. You'll see landmarks like Mount Diablo, Mount Tamalpais, Lafayette Reservoir, the Berkeley Hills, Suisun Bay, and the Las Trampas Regional Wilderness. The view from the summit is described as a complete panorama.

Does this route intersect with other well-known trails?

Yes, the route to Russell Peak often utilizes and intersects with several other trails within Briones Regional Park. Notable trails that cover significant portions of this route include the ADT - California - T - Seg 8, Mokelumne Coast to Crest Trail, Ivan Dickson Trail, and the Seaborg Trail itself. You might also encounter sections of the Briones Crest Trail and Lafayette Ridge Trail.

Is there a good spot to rest or have a picnic at Russell Peak?

Yes, a notable feature at Russell Peak is a picnic table. It offers a perfect spot to take a break, refuel, and fully appreciate the extensive panoramic views from the summit.

What's an insider tip for hiking to Russell Peak?

Given that much of the trail is exposed to the sun, especially during warmer months, an insider tip is to start your hike early in the morning. This allows you to tackle the initial climbs before the heat of the day sets in and enjoy the views in cooler, potentially clearer conditions.

How challenging is the hike to Russell Peak?

The hike to Russell Peak is generally considered to be of medium to strenuous difficulty. It involves steady elevation gain with some steep sections, particularly in the first few miles. The 'roller-coaster' nature of the ridges means continuous climbs and descents, making it a demanding experience, especially if you're not accustomed to significant elevation changes.

What are the main highlights along the Seaborg Trail to Russell Peak?

Key highlights along this route include the starting point at the Old Briones Road Trailhead, the journey along the Seaborg Trail, and the ultimate destination, Russell Peak, which offers expansive panoramic views.

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