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Routes
Hiking trails & Routes
United States
California
Contra Costa County

Old Briones Road, Valley, and Crescent Ridge Trail Loop

Routes
Hiking trails & Routes
United States
California
Contra Costa County

Old Briones Road, Valley, and Crescent Ridge Trail Loop

Easy

2.6

(13)

81

hikers

Old Briones Road, Valley, and Crescent Ridge Trail Loop

01:39

5.81km

120m

Hiking

Embark on the Old Briones Road, Valley, and Crescent Ridge Trail Loop for an easy hike that transitions from shaded woodlands to expansive open grasslands. This 3.6-mile (5.8 km) route offers a gentle ascent of 397 feet (121 metres), leading you to panoramic views of Mount Diablo and the Diablo…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

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Waypoints

A

Start point

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1

4.72Β km

Seaborg Trail

Highlight β€’ 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.

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2

5.44Β km

The gradually climbing Briones Rd trail might be the best uphill option into and across the park between its Western and Eastern entrances, whereas the Seaborg Trail gives access to …

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B

5.81Β km

End point

Parking

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Way Types & Surfaces

Way Types

5.09Β km

722Β m

Surfaces

2.81Β km

1.37Β km

709Β m

614Β m

< 100Β 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 (330Β m)

Lowest point (210Β m)

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Weather

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Today

Monday 1 June

31Β°C

12Β°C

0Β %

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Max wind speed: 15.0Β km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of the Old Briones Road, Valley, and Crescent Ridge Trail Loop?

While komoot rates this loop as easy, many hikers consider it to be of moderate difficulty. You'll encounter varied terrain, including gentle sections, but also significant climbs to reach the ridges and potentially steep descents. Expect roots, rocks, and possibly slippery or sandy spots depending on the weather.

What are the parking options for this trail?

The Old Briones Road, Valley, and Crescent Ridge Trail Loop is located within Briones Regional Park. Specific parking details for this trailhead are not provided, but the park generally has designated parking areas at its various entrances. It's advisable to check the Briones Regional Park website for the most current parking information and directions to the nearest trailhead.

Is the Old Briones Road, Valley, and Crescent Ridge Trail Loop dog-friendly?

Yes, Briones Regional Park is generally dog-friendly. However, dogs must be kept on a leash in developed areas and under voice control in undeveloped areas. Always be mindful of other trail users, including equestrians and cyclists.

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

Briones Regional Park typically does not require an entrance fee for day use. However, specific activities or facilities might require permits or fees. It's always a good idea to check the East Bay Regional Park District's official website for the latest information on any potential fees or regulations before your visit.

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

The spring is particularly beautiful, with abundant wildflowers blooming across the hills. Fall offers pleasant temperatures and clear views. While accessible year-round, summer can be hot and dry, and winter might bring muddy conditions after rain. Visiting on a clear day will maximize your enjoyment of the panoramic views.

What kind of terrain can I expect on this loop?

The loop features a diverse terrain. You'll find gentle gradients on parts of the Old Briones Road Trail, winding through shaded woodlands and grassy valleys. However, ascending to ridges like Crescent Ridge involves significant climbs, and some descents can be steep and potentially slippery. The trails are mostly multi-use unpaved fire roads, with some single-track sections.

What can I see along the route?

This loop offers magnificent panoramic views of grassy hills, Mount Diablo, the Diablo Valley, the Carquinez Strait, and the Sacramento River Delta. On clear days, you might even spot Mount Tamalpais. You'll also pass through shaded woodlands and open expanses. Notable highlights include the Seaborg Trail and the Briones Road & Seaborg Trail junction.

Does this trail connect with other paths in Briones Regional Park?

Yes, this loop is part of the broader Briones Regional Park network and intersects with several other trails. The route also passes through sections of the Ivan Dickson Trail, the ADT - California - T - Seg 8, the Mokelumne Coast to Crest Trail, and the Old Briones Road Trail itself, offering options for varied loop lengths and connections.

What wildlife and plants might I encounter?

The trail transitions through diverse ecosystems, providing opportunities to observe various birds, amphibians, and insects, especially around the Maricich and Sindicich Lagoons. In spring, the hillsides are vibrant with abundant wildflowers, adding to the scenic beauty.

Is this loop suitable for families with children?

Given its moderate difficulty, including significant climbs and potentially steep descents, this loop might be challenging for very young children or those unaccustomed to hiking. However, older children with hiking experience and good stamina should enjoy the diverse terrain and panoramic views.

What should I bring for this hike?

It's recommended to bring plenty of water, especially on warmer days, as water sources are not typically available directly on the trail. Sturdy hiking shoes with good grip are essential due to varied terrain. Sun protection (hat, sunscreen) is advisable for exposed sections, and layers of clothing are useful for changing weather conditions.

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