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Routes
Road cycling routes
United States
California
Contra Costa County
Brentwood

Clayton Ranch loop

Moderate

4.9

(2102)

11,070

riders

Clayton Ranch loop

03:17

72.0km

750m

Road cycling

Embark on the Clayton Ranch loop, a moderate road cycling adventure spanning 44.8 miles (72.0 km) with a significant 2451 feet (747 metres) of elevation gain. This route, estimated to take 3 hours and 17 minutes, guides you through the scenic Marsh Creek corridor, where you'll experience golden rolling hills…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Clayton Ranch

Marsh Creek State Park

Mount Diablo State Park

Waypoints

A

Start point

Parking

Get Directions

1

10.8 km

Marsh Creek Road

Highlight (Segment) • Cycleway

The general character of Marsh Creek Road is initially little different from Camino Diablo Road. It's still a sunny country road through mostly grassy terrain, with good pavement and hardly …

Tip by

2

28.2 km

Marsh Creek Road

Highlight (Segment) • Cycleway

Rural road with wide open sky, rolling terrain, little traffic, and an excellent bike lane.

Tip by

B

72.0 km

End point

Parking

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Way Types & Surfaces

Way Types

32.3 km

25.0 km

8.22 km

6.56 km

Surfaces

65.2 km

6.83 km

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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 (290 m)

Lowest point (20 m)

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Weather

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Today

Friday 8 May

28°C

11°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Clayton Ranch loop for road cyclists?

This route is classified as a moderate road ride. While much of it is well-paved, some segments may be unpaved and could require pushing your bike. Good fitness is essential to comfortably complete the 72 km distance and approximately 750 meters of elevation gain.

Where can I park to access the Clayton Ranch loop?

There is a convenient parking lot located right at the starting point of the route, making access straightforward for cyclists.

What kind of scenery can I expect along the route?

The area, including the adjacent Marsh Creek corridor, is known for its scenic beauty. You'll experience golden rolling hills dotted with majestic oaks, rural roads with wide-open skies, and rolling terrain. The route passes near various state and regional parks.

What are the best times of year to cycle this loop?

While specific seasonal details are not provided, the region typically offers pleasant cycling conditions in spring and fall. Summers can be hot, and winters might bring cooler, potentially wet weather. Always check local weather forecasts before heading out.

Are dogs allowed on the Clayton Ranch loop?

The Clayton Ranch loop is primarily a road cycling route. While dogs are generally not suitable companions for long road bike rides, specific regulations for dogs on adjacent trails or within the Black Diamond Mines Regional Preserve should be checked with park authorities if you plan to combine your ride with other activities.

Do I need any permits or pay an entrance fee for this route?

The Clayton Ranch loop itself is a road cycling route, so typically no specific permits are required for cycling on public roads. However, a portion of this route is within or adjacent to the Black Diamond Mines Regional Preserve. For information regarding any potential entrance fees or specific regulations within the preserve, it's best to consult the official East Bay Regional Park District website at ca.gov.

What are some notable points of interest along the way?

A significant portion of the route follows Marsh Creek Road, which is known for its scenic rural character and wide-open views. This road is a highlight for many cyclists in the area.

Does this route connect with other trails?

Yes, the route intersects with or runs alongside several other trails. You may encounter sections of the Delta de Anza Regional Trail, Marsh Creek Trail, ADT - California - T - Seg 6, and the Mokelumne Trail during your ride.

Is the Clayton Ranch loop suitable for beginner road cyclists?

Given its moderate difficulty, 72 km distance, and 750 meters of elevation gain, this loop is generally not recommended for absolute beginners. It requires a good level of fitness and some experience with road cycling.

How long does it typically take to complete the Clayton Ranch loop?

On average, cyclists can expect to complete this 72 km loop in approximately 3 hours and 17 minutes, depending on their pace and fitness level.

Are there any cafes or places to refuel near the route?

The route is located near Brentwood, which offers various amenities. While specific establishments directly on the loop are not detailed, you can find cafes, pubs, and other services in the nearby town for pre- or post-ride refreshments.

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