Marsh Creek and Discovery Bay Loop

This loop is rated as moderate, primarily due to its length of over 50 kilometers. While much of the route follows the generally flat, paved Marsh Creek Trail, which is beginner-friendly, it also incorporates other paths and roads around Discovery Bay. Expect a mix of paved multi-use paths, some packed dirt sections, and potentially some scenic country roads. The elevation gain is minimal, making it more of an endurance challenge than a climb.

For convenient access, you can look for parking near the Brentwood area, which is a good starting point for the Marsh Creek Trail portion of the loop. Specific parking areas for the Marsh Creek Regional Trail are available in various parks along its route. In Discovery Bay, consider parking near public access points or parks like Cornell Park.

Yes, dogs are generally allowed on the multi-use paths that make up much of this loop, including the Marsh Creek Trail. However, they must be kept on a leash at all times. Be mindful that some sections, especially the paved Marsh Creek Trail, can get crowded with pedestrians and other cyclists, so ensure your dog is well-behaved and under control.

The best time to ride this loop is during the spring and fall months. The weather is typically mild and pleasant, making for comfortable riding conditions. Summers can be very hot in this region, and while winters are generally mild, you might encounter rain. Spring offers lush green scenery, while fall provides cooler temperatures and often clear skies.

No, there are no specific permits or entrance fees required to ride the Marsh Creek and Discovery Bay Loop. The route primarily utilizes public multi-use trails and roads.

The loop offers diverse scenery, transitioning from the natural beauty of Marsh Creek Trail with its views of the creek, farmlands, and restored native habitats, to the more developed areas around Brentwood and Discovery Bay Marina. You'll pass through agricultural lands, including sections like Deep in the almond orchards along Point of Timber Rd, and enjoy Water vista views as you approach Discovery Bay Yacht Harbor.

Yes, as the loop passes through communities like Brentwood and Discovery Bay Marina, you'll find opportunities for cafes, restaurants, and public restrooms. Parks along the Marsh Creek Trail, such as near Cornell Park, may also offer facilities.

The Marsh Creek Trail portion of the loop is very family-friendly, being mostly flat and paved. However, the full 50+ km loop is quite long and includes sections on roads that may have traffic, making the entire route more suitable for families with older, experienced riders or those who are comfortable with longer distances and mixed terrain. For younger children, consider riding only sections of the Marsh Creek Trail.

Given the length of the ride, bring plenty of water, snacks, and basic bike repair tools (spare tube, pump). Sun protection (sunscreen, hat, sunglasses) is essential, especially during warmer months, as much of the route can be exposed. A helmet is always recommended for safety. Consider bringing a phone for navigation and emergencies, as well as a light jacket for cooler mornings or evenings.

Yes, a significant portion of this route follows the Marsh Creek Trail. This trail is a key non-motorized thoroughfare in eastern Contra Costa County. The Marsh Creek Regional Trail also intersects with the Big Break Regional Trail further east, though this specific loop may not cover that intersection.

While much of the loop is on dedicated multi-use paths, some sections may involve riding on roads. Be particularly cautious on any parts of Marsh Creek Road, which can have higher speed limits and may lack shoulders, making it potentially challenging for cyclists. Always be aware of traffic and share the path respectfully with pedestrians on crowded sections of the Marsh Creek Trail.