John's Jam – Grimm's Entrance loop from Lunsten Lake
John's Jam – Grimm's Entrance loop from Lunsten Lake
5.0
(9530)
12,604
riders
01:46
20.6km
160m
Mountain biking
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
Last updated: May 14, 2026
Waypoints
Start point
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629 m
Highlight • Bridge
Tip by
3.89 km
Highlight • MTB Park
Tip by
8.77 km
Highlight • MTB Park
Tip by
19.3 km
Highlight • MTB Park
Tip by
20.6 km
End point
Way Types & Surfaces
Way Types
20.6 km
Surfaces
20.1 km
521 m
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Elevation
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Weather
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Today
Monday 25 May
29°C
15°C
13 %
Additional weather tips
Max wind speed: 19.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.