Marsh Creek Trail


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Marsh Creek Trail Facts

States: California
Counties: Contra Costa
Length: 8.5 miles
Trail end points: Concord Ave. (Brentwood) and Big Break Regional Park (Oakley)
Trail surfaces: Asphalt
Trail category: Greenway/Non-RT
ID: 6430620
Trail activities: Bike, Inline Skating, Wheelchair Accessible, Walking

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Marsh Creek Trail Description

Marsh Creek Trail follows the sinuous course of Marsh Creek through the outskirts of suburbia and among the rich farmland of Contra Costa County. The 8.5-mile paved extends between Concord Road in Brentwood and Big Break Lake, where the trail intersects Big Break Regional Trail. Where the Marsh Creek Trail crosses Cypress Lane, you can pick up the Delta de Anza Regional Trail to the west.

There are plans to extend the trail south and west through Round Valley Regional Preserve and Morgan Territory Regional Preserve, for a total of 14 miles.

Parking and Trail Access

There are several places to park along the Marsh Creek Trail, including
*Concord Ave. (southern endpoint)
*just north off Central Blvd. where it intersects the trail
*north off Cypress Rd. where it intersects the trail

Marsh Creek Trail Reviews

Road north from Concord Avenue up to Brentwood Boulevard. Trail was flat and very well maintained and clean. Only once was there any question about which way it went and we found it very quickly. Was surprisingly deserted on a late Saturday afternoon. The trail parallels the Creek and passes some fields and parks as well as the backs of houses. There were some underpasses and some places where we had to cross a road, but car traffic was light. I look forward to riding Marsh Creek Trail all the way up to Big Break.

I was visiting from out of state. I rode from the parking lot on Cypress out to the VERY nice park at the Big Break end--a nice trail. some street riding witch was poorly marked for an out of town rider.

From the BB end I planned to ride to the southern end of Marsh Creek Trl, but at Sunset Rd the trail is closed (it looks like it was never a tail). I rode thru the tiny park at the end, over to Brentwood Blvd, where a sign pointed to the direction I just came from. wt? Nothing pointing to ride south on Brentwood. Looking at Gmaps with the Bicycling highlighted, it looks like if I would have crossed Brentwood and picked up a trail just west of it, ridden south on that trail, it would have taken me to a bridge which crosses over the creek to the trail. Again looking at Gmaps, it looks like there is gate blocking entrance to the trail from Brentwood on the east side of the road bridge.

Perhaps some local who rides this trail could post the detours so a lost person like me can connect the loose ends.
thanks for reading

My wife liked that we were on a path without cars. Unfortunately, the path was a pit. This is not the worst suburbia has to offer, but it is close.


In late 2013, I took the Big Break Regional Trail to extend my ride of Marsh Creak to 13 miles and it was a pleasant ride. It takes you to Big Break recreational area and it is very pretty area and park. Also in late 2013, a lot of the Marsh Creek trail has been repaved so it is a nicer ride on bike. You are still riding behind bldgs and homes but it is okay and many areas to stop and take a break and enjoy the nature around you. I love this ride but wish it was closer to me. The one closer to me is not as well kept as this trail.

This is a very nice trail for 3 miles of it and the rest is not too bad. The first three miles that starts out in Brentwood Concord Avenue starts in a residential area and a nice area which is kept up and clean. This portion flows into a park area nearby which is also a nice park area. They have benches spaced out for these 2 - 3 miles or so. After about 3 miles, the trail gets pretty basic with portions behind office building and people's backyard but it is not a bad ride. You go under a couple of over passes, over some wooden bridges and a couple of tunnels. It dumps you in Oakley near the marshes almost to the Delta and you can see the bridge crossing from there. I enjoy this ride very much and have started using this trail more than Delta de la Anza. The one thing is that I have to drive over to trail and Delta de la Anza is near my home.

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