3.0
(1)
45
riders
Contra Loma Shore loop
00:20
4.17km
20m
Mountain biking
Ride the easy 2.6-mile Contra Loma Shore loop in Contra Loma Regional Park, offering scenic views of the reservoir and diverse wildlife.
Last updated: February 26, 2026
Tips
Includes an off-grid segment
Navigation instructions may be limited.
After 2.92 km for 91 m
Waypoints
Start point
Parking
Get Directions
234 m
Antioch Community Park Trail to Contra Loma Reservoir
Highlight • Trail
Tip by
428 m
Contra Loma Reservoir
Highlight • Lake
Tip by
4.17 km
End point
Parking
Way Types & Surfaces
Way Types
3.26 km
752 m
< 100 m
< 100 m
< 100 m
Surfaces
3.26 km
752 m
154 m
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Elevation
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Weather
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Today
Friday 8 May
27°C
12°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
What is the difficulty level of the Contra Loma Shore loop for mountain biking?
This loop is consistently rated as an easy trail, making it accessible for mountain bikers of all skill and fitness levels. It's categorized as STS S0 - S1 on the Single Track Scale, indicating minimal technical challenge.
What is the terrain like on the Contra Loma Shore loop?
The trail primarily features easy dirt, with sections that are mostly flat and even. You'll encounter both paved and unpaved segments, and while largely flat, there may be some uneven terrain and small hills, including a brief uphill near the dam.
How long does it typically take to mountain bike the Contra Loma Shore loop?
The Contra Loma Shore loop is approximately 4.17 kilometers (about 2.6 miles) long. Most riders can complete it in around 20 minutes, depending on their pace.
Are there any specific permits or entrance fees required to access the park or trail?
Yes, Contra Loma Regional Park, where the trail is located, typically has an entrance fee. It's best to check the official East Bay Regional Park District website for current fee schedules and any specific permit requirements for activities like boating or fishing.
What kind of wildlife and scenery can I expect to see along the route?
As you ride along the reservoir's shoreline, you can enjoy scenic views and diverse wildlife. Keep an eye out for waterfowl, raptors, rabbits, coyotes, foxes, squirrels, and deer. You might even spot North American river otters! On clear days, views of Mount Diablo are also possible.
Is the Contra Loma Shore loop dog-friendly?
The Contra Loma Shore loop is generally dog-friendly, but dogs must be kept on a leash at all times within Contra Loma Regional Park. Always remember to clean up after your pet.
What is the best time of year to mountain bike this loop?
The trail is enjoyable year-round, but spring and fall offer the most pleasant temperatures for riding. Winter can be a good option on clear days, and summer mornings are ideal to avoid the heat.
Where can I park to access the Contra Loma Shore loop trailhead?
Parking is available within Contra Loma Regional Park. The trail encircles the Contra Loma Reservoir, and you can typically access it from various points around the reservoir.
Does the trail intersect with any other well-known paths?
Yes, the route also passes through sections of the West Shore Trail, East Shore Trail, and the Old Ranch Loop Trail. You'll also find it intersects with parts of the Delta de Anza Regional Trail.
What are some notable features or points of interest on the Contra Loma Shore loop?
The loop itself encircles the scenic Contra Loma Reservoir. A unique and enjoyable aspect is the opportunity to ride or walk across the dam. You'll also pass by the Antioch Community Park Trail to Contra Loma Reservoir section.
Is the Contra Loma Shore loop suitable for beginner mountain bikers?
Absolutely! Given its easy difficulty rating and mostly flat terrain, this loop is an excellent choice for beginner mountain bikers looking for an enjoyable and accessible ride.