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Routes
Mountain biking trails
United States
California
Sierra County

Mills Peak Loop

Moderate

2.9

(29)

84

riders

Mills Peak Loop

03:06

30.9km

860m

Mountain biking

The Mills Peak Loop is a 19.2-mile mountain biking trail in the Lakes Basin Recreation Area with panoramic views and varied terrain.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Plumas National Forest

Waypoints

A

Start point

Get Directions

1

7.22 km

Mills Peak Lookout

Highlight • Viewpoint

Take a moment to enjoy the view from Mills Peak Lookout. The panorama is spectacular!

Tip by

2

13.4 km

Mills Peak Trail

Highlight • Trail

Mills Peak Trail is a wonderful trail. The upper section is slightly challenging due to the loose underground. While the lower section ist fast and pure fun! Certainly worth the ride.

Tip by

B

30.9 km

End point

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Way Types & Surfaces

Way Types

16.9 km

13.2 km

639 m

138 m

Surfaces

15.2 km

8.28 km

7.40 km

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Elevation

Elevation

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Highest point (2,220 m)

Lowest point (1,450 m)

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Thursday 7 May

16°C

7°C

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park and access the Mills Peak Loop trail?

The Mills Peak Loop trail is located near Graeagle, California. While specific parking areas aren't detailed, the trail is well-known, and access points are typically found in the vicinity of Graeagle. For those looking for a primarily downhill experience, shuttle services are popular, allowing riders to be dropped off at the top for a rewarding descent.

Are there any permits or fees required to ride this trail?

The Mills Peak Loop is located within the Lakes Basin Recreation Area. Generally, there are no specific permits required for mountain biking the trail itself. However, it's always a good idea to check with the Plumas National Forest for any current regulations or potential day-use fees for certain facilities within the broader recreation area.

Is the Mills Peak Loop trail dog-friendly?

While the trail is popular for outdoor activities, specific regulations regarding dogs are not provided in the trail information. It's best to check with the Plumas National Forest or local authorities for current rules on dogs, including leash requirements, within the Lakes Basin Recreation Area.

What is the best time of year to mountain bike the Mills Peak Loop?

The best time to ride this trail is typically during the warmer months when the snow has melted and the trail is dry. This usually means late spring through early fall. Always check local weather and trail conditions before heading out, as conditions can vary.

How challenging is mountain biking the Mills Peak Loop?

The Mills Peak Loop is generally rated as a moderate difficulty trail, suitable for intermediate mountain bikers. It features significant elevation changes and varied terrain. While some sections, particularly the upper third, can be rocky and technical, they are generally manageable for a strong intermediate rider. The overall physical rating is moderate.

What kind of terrain can I expect on the trail?

You can expect a diverse and engaging experience. The terrain includes flowy sections with bermed corners, challenging rock gardens, areas with loose shale, roots, and embedded rocks. The trail transitions from faster, open woodland sections to more technical, rocky stretches, especially in the upper parts. The final 1.5 miles can feature rock gardens and small, rollable rock drops.

What scenic views or landmarks will I encounter on the route?

Riders are treated to impressive high-mountain scenery throughout the ride. Key highlights include views of the Gold Lakes Basin and the possibility of spotting a waterfall. At the summit, the Mills Peak Lookout offers awe-inspiring panoramic views. The route also includes sections of the renowned Mills Peak Trail.

How long does it typically take to complete the loop?

The full loop, which is approximately 30.9 km (19.2 miles) long, typically takes around 3 hours and 6 minutes to complete by mountain bike. This duration can vary based on your riding speed, fitness level, and how often you stop to enjoy the views.

Does the route connect with other trails in the area?

Yes, the route incorporates sections of several other trails. Notable segments include the Mills Peak Trail, County Line Trail, Mohawk Creek Road, Frazier Creek Trail, Mohawk Heights Road, Frazier Falls Trail, Lower Mills Peak Trail, Red Fir Loop, and Round Lake Trail, offering a comprehensive experience of the local trail network.

What makes this trail unique for mountain biking?

This trail stands out for its versatility, being rideable in both directions and offering options for both pedaled loops and shuttled descents. It was created by the Sierra Buttes Trail Stewardship (SBTS), known for high-quality trail design. The significant 3,000 vertical feet of descending over 9 miles (with a shuttle) is a major draw, as are the panoramic views from the Mills Peak Lookout.

Is the Mills Peak Loop suitable for families or beginners?

Given its moderate difficulty rating, significant elevation changes, and technical sections, the full Mills Peak Loop is generally best suited for intermediate to advanced mountain bikers. While strong intermediate riders will find it manageable, beginners or families with young children might find it too challenging. There may be easier, shorter sections or alternative trails in the Lakes Basin Recreation Area that are more suitable for less experienced riders.

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