3.5
(2)
14
riders
5
rides
Road cycling in Dos Reis County Park, located in Lathrop, California, offers routes along the scenic San Joaquin River. The terrain is characterized by flat, grassy expanses and well-paved surfaces, providing accessible cycling. This area is suitable for various fitness levels, with routes primarily featuring minimal elevation gain.
Last updated: May 16, 2026
2.0
(1)
1
riders
49.9km
02:04
40m
40m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
2
riders
23.1km
01:00
30m
20m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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3
riders
16.9km
01:25
20m
20m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
4
riders
56.6km
02:26
70m
70m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
54.5km
02:07
60m
60m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Excellent bike path parallel to the main road, which continues where the road ends for cars.
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This bike and pedestrian bridge crosses the beautiful San Joaquin River and is separate from the old steel bridge. As you cross, you'll have fantastic views of the historic Mossdale Railroad Bridge, the old Manthey Road Bridge, and several other modern freeway bridges if you look to the south.
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This road, a dead end for cars, is transformed into a dedicated smooth bike trail. There isn't any other vehicle access along the way, making for a safe route for cyclists that runs along the busy freeway.
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The Tidewater Bikeway is a dedicated rail-to-trail route, named after the former Tidewater Southern Railroad that operated trains into Manteca as late as 1983. It runs through the middle of Manteca from Lathrop Road to Spreckels Avenue and is a flat, paved trail with an adjacent crushed gravel path for runners. It's an ideal alternative to avoid the busy traffic in the area, especially during peak hours.
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The San Joaquin River at this strategic location is crossed by several parallel bridges: A dedicated bike and pedestrian bridge separate from the old steel bridge offers excellent views of the old Manthey Road Bridge, the historic Mossdale rail bridge, and several modern freeway bridges one after the other to the south
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Dedicated excellent rail-to-trail route named after the former Tidewater Southern Railroad that operated trains into Manteca as late as 1983. It runs through the middle of Manteca from Lathrop Road to Spreckels Avenue and is a flat, paved trail with an adjacent crushed gravel path for runners. It's an ideal alternative to avoid the busy traffic in the area, especially during peak hours.
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Excellent dedicated bike and pedestrian bridge separate from the old steel bridge, allowing excellent views of the San Joaquin River and several parallel bridges: the old Manthey Road Bridge, the historic Mossdale rail bridge, and several modern freeway bridges stacking one after the other to the south
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There are 5 dedicated road cycling routes in Dos Reis County Park, offering a range of experiences for cyclists. One route is rated as easy, and four are considered moderate, ensuring options for various skill levels.
Dos Reis County Park is characterized by its flat terrain and mostly well-paved surfaces, making for accessible cycling. Routes generally feature minimal elevation gain, providing a smooth and enjoyable ride along the scenic San Joaquin River.
Yes, the park offers routes suitable for families, particularly due to its flat terrain and well-maintained paths. The West Toleri Road Trailhead loop from Lathrop Marketplace is an easy route that is great for a family outing.
Yes, Dos Reis County Park is a pet-friendly environment. You can enjoy the outdoors with your dog, but please ensure they are kept on a leash and that you clean up after them to maintain the park's natural beauty for all visitors.
The primary natural feature you'll encounter is the scenic San Joaquin River, which many routes follow. The park offers tranquil waterfront views and peaceful natural landscapes, characterized by grassy expanses and scattered trees, ideal for a relaxing ride. Routes like the West Toleri Road Trailhead β Banta loop from Tracy offer views of the surrounding flat landscape and the river.
Given its location in California, Dos Reis County Park generally offers pleasant cycling conditions for much of the year. Spring and fall typically provide the most comfortable temperatures, while summer can be warm. Always check local weather forecasts before heading out.
Yes, many of the road cycling routes in Dos Reis County Park are designed as loops. Examples include the popular Banta β West Toleri Road Trailhead loop from Lathrop/Manteca and the San Joaquin River loop via Tidewater Bikewayβ Manteca, allowing you to start and end at the same point.
The duration of routes varies depending on their length and your cycling speed. For instance, the Banta β West Toleri Road Trailhead loop from Lathrop/Manteca, which is 35.1 miles (56.6 km), typically takes around 2 hours and 26 minutes. Shorter routes, like the West Toleri Road Trailhead loop from Lathrop Marketplace at 14.3 miles (23.1 km), will take less time.
Yes, Dos Reis County Park provides amenities for visitors, including parking areas. These are generally well-maintained and offer convenient access to the park's facilities and cycling routes.
The komoot community rates road cycling in Dos Reis County Park with an average score of 3.5 stars. Cyclists often praise the park's flat, well-paved routes, the serene atmosphere along the San Joaquin River, and the accessibility for various fitness levels, making it a pleasant escape for a ride.
While Dos Reis County Park itself is more focused on natural recreation with picnic areas, the park is located in Lathrop, California. Nearby towns and communities will offer various dining options and cafes for refreshments before or after your ride.
Generally, permits are not required for recreational road biking within Dos Reis County Park. However, it's always a good idea to check the official San Joaquin County Parks and Recreation website for any specific regulations or updates before your visit.


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