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United States
California
Nevada County

Grass Valley

The best MTB trails around Grass Valley

4.9

(16)

252

riders

14

rides

Mountain biking around Grass Valley offers diverse terrain within the Sierra Nevada foothills of California. The region features extensive trail networks, ranging from smooth, flowy singletrack to challenging granite rock gardens. Significant elevation changes contribute to varied riding experiences across rolling hills and near the South Yuba River canyon. This landscape provides a wide array of mountain bike trails suitable for various skill levels.

Best mountain bike trails around Grass Valley

  • The most popular mountain bike trail is Stamp Mill…

Last updated: June 24, 2026

5.0

(5)

75

riders

#1.

Stamp Mill Ruins – Nevada City loop from NCNGRR Museum

47.3km

04:06

930m

930m

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

5.0

(1)

5

riders

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Tips from the Community

Andrus
July 23, 2024, Empire Mine State Historic Park

It's no secret that the Gold Rush made California what it is today. With this history in mind, the State of California has overseen the preservation of Empire Mine for decades. During its long life as an active mine (1850-1956) this mine was one of the biggest, deepest, and richest gold mines in California. Take some time to explore the area and a small portion of the 367(!) miles of underground tunnels.

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Scotts Flat Trail is an MTB trail that is also used for hiking for the lack of other trails in the area. But be aware you'll encounter mountain bikers on this trail so pay attention and give them space.

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The Willo Steakhouse and Saloon is an iconic landmark on the junction of Newtown Road and Historic Highway 49. The exterior is instantly recognizable with its neon signage and large carved wooden bear statue. This is a great place to stop when exploring the area or completing the scenic LeMond Loop (Newtown Loop). The LeMond Loop is named for the 2000 event when Tour de France champion Greg LeMond rode the route with 200 local riders.

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mtm05005
June 8, 2024, Nevada City

Nevada City is a quaint city that is the gateway to Tahoe National Forest. The city was founded during the California Gold Rush and the downtown area still maintains some of the feel from this era. It is a great place to start a tour or take a break during a longer ride.

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The Northstar Mine Powerhouse Museum is located in Grass Valley, CA, and offers a deep dive into the region's rich mining history. Housed in the restored 1895 Northstar Mine Powerhouse building, the museum showcases a remarkable collection of mining artifacts, machinery, and exhibits that highlight the area's history during the Gold Rush era. Visitors can enjoy interactive displays and detailed exhibits provide insights into the lives of miners and the evolution of mining techniques. The museum also features a blacksmith shop, a working stamp mill, and a collection of geological specimens, offering a comprehensive look at the mining industry's impact on the local community and environment.

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It's no secret that the Gold Rush made California what it is today. With this history in mind the State of California has overseen the preservation of Empire Mine for decades. During its long life as an active mine (1850-1956) this mine was one of the biggest, deepest, and richest gold mines in California. Take some time to explore the area and a small portion of the 367(!) miles of underground tunnels.

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oliviakellis
February 23, 2024, Ophir Hill

At 2743 feet, Ophir Hill in Empire Mine Historic Park offers scenic vistas just off Orleans Trail. But what sets it apart is the historic Orleans Mine, adding a fascinating layer to your exploration.

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mtm05005
February 19, 2024, Nevada City

Nevada City is a quaint city that is the gateway to Tahoe National Forest. The city was founded during the California Gold Rush and the downtown area still maintains some of the feel from this era. It is a great place to star a tour or take a break during a longer ride.

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Frequently Asked Questions

How many mountain bike trails are there around Grass Valley?

There are over 10 mountain bike trails available around Grass Valley, offering a variety of experiences for different skill levels. The region features extensive trail networks within the Sierra Nevada foothills.

What kind of difficulty levels can I expect on mountain bike trails in Grass Valley?

Grass Valley offers a diverse range of mountain biking trails. You'll find options from easy paths, with 2 routes categorized as easy, to more challenging rides, including 8 moderate and 4 difficult routes. The terrain varies from smooth, flowy singletrack to technical granite rock gardens.

When is the best time of year to go mountain biking in Grass Valley?

The optimal season for mountain biking in the western part of Nevada County, including Grass Valley, spans from late fall through early summer. This period generally offers the most favorable trail conditions.

Are there any family-friendly mountain bike trails in Grass Valley?

Yes, there are family-friendly options available. For an accessible ride, consider the Mountainbike loop from Grass Valley, which is an easy 8.8-mile (14.1 km) path suitable for a more relaxed outing.

Are there any dog-friendly mountain bike trails in Grass Valley?

While specific regulations can vary by trail, many trails in the Grass Valley area, especially those managed by local organizations, are generally dog-friendly. It's always best to check local signage or the specific trail's guidelines for the most current information regarding pets.

What can I see along the mountain bike trails in Grass Valley?

Many trails offer scenic views and pass by interesting landmarks. You might encounter historical sites like the Stamp Mill Ruins or ride near the South Yuba Trail, which is part of the picturesque South Yuba River State Park. The region is known for its rolling hills and lush landscapes.

Are there mountain bike trails with scenic views in Grass Valley?

Absolutely. The Sierra Nevada foothills provide a stunning backdrop for many rides. Trails often wind through blue skies, lush green trees, and offer glimpses of the diverse terrain, including the steep canyon of the Yuba River. The Stamp Mill Ruins – Nevada City loop from Nevada City offers varied terrain that includes scenic sections.

Are there any long-distance or challenging mountain bike loops available?

For those seeking a longer and more challenging ride, the Nevada City – Stamp Mill Ruins loop from Northern Queen Inn is a difficult 56.5-mile (90.9 km) trail that leads through the Sierra Nevada foothills and can take over 7 hours to complete.

What do other mountain bikers enjoy the most about mountain biking in Grass Valley?

The mountain bike routes in Grass Valley are highly rated by the komoot community, with an average score of 5.0 stars from 8 reviews. Riders often praise the diverse singletrack, the variety of terrain from flowy sections to granite rock gardens, and the overall beauty of the Sierra Nevada foothills.

Are there circular mountain bike routes in Grass Valley?

Yes, many of the mountain bike trails in Grass Valley are designed as loops, allowing you to start and end at the same point. Examples include the Stamp Mill Ruins – Nevada City loop from Valentine and the Stamp Mill Ruins – Nevada City loop from Northern Queen Inn.

Is public transport available to access mountain bike trails in Grass Valley?

While Grass Valley has some local public transport options, direct access to all trailheads via public transport might be limited. It's generally recommended to check local transit schedules and routes in advance, or consider driving to trail access points.

Are there any permits required for mountain biking on trails in Grass Valley?

Most public mountain biking trails in the Grass Valley area do not require specific permits for recreational use. However, some private lands or specific parks might have their own regulations. It's always a good idea to check with the local land management authority or trail organization, such as the Bicyclists of Nevada County (BONC), for any specific requirements.

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