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Mountain biking trails
United States
California
Plumas County
Johnsville

Jamison Creek Trail – Grass Lake loop from Plumas-Eureka State Park

Routes
Mountain biking trails
United States
California
Plumas County
Johnsville

Jamison Creek Trail – Grass Lake loop from Plumas-Eureka State Park

Hard

2.6

(23)

79

riders

Jamison Creek Trail – Grass Lake loop from Plumas-Eureka State Park

02:09

18.6km

670m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: August 3, 2026

Tips

Includes a segment that is highly dangerous

A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 15.5 km for 7 m

Waypoints

A

Start point

Parking

Get Directions
1

12.5 km

Jamison Creek Trail

Highlight • Trail

2

14.1 km

Jamison Creek Trail

Highlight • Trail

If you are looking for technical challenging mountain bike trails, then put Jamison Creek Trail on your todo list. The trail is in the middle of the Lakes Basin and it is steep, chunky and natural!

Tip by

3

16.3 km

Grass Lake

Highlight • Lake

Nestled right below Mount Washington, Grass Lake is one of the many lakes carved by a glacier in the Lakes Basin Area. Be sure to take in the view of the surrounding valley!

Tip by

4

18.4 km

Jamison Mine Historic Site

Highlight • Historical Site

Find your way past structures leftover from the Jamison Mine. Built towards the end of the 19th century to mine for gold, the Jamison Mine was in operation until the …

Tip by

B

18.6 km

End point

Parking

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Way Types & Surfaces

Way Types

9.17 km

8.80 km

522 m

< 100 m

Surfaces

6.46 km

5.85 km

5.74 km

447 m

< 100 m

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,200 m)

Lowest point (1,590 m)

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Weather

Powered by Foreca

Tuesday 6 October

27°C

14°C

0 %

Additional weather tips

Max wind speed: 5.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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