Birs River Trail – Gempenturm Observation Tower loop from Aesch BL
Birs River Trail – Gempenturm Observation Tower loop from Aesch BL
4.3
(7)
59
riders
02:07
24.2km
540m
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 accessible with public transport.
Last updated: November 17, 2025
Tips
Includes a segment in which cycling is not permitted
You'll need to dismount and push your bike.
After 21.6 km for 70 m
Waypoints
Start point
Train Station
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4.95 km
Highlight • Trail
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9.44 km
Highlight • MTB Park
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12.7 km
Highlight • Viewpoint
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13.0 km
Highlight • Trail
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14.5 km
Highlight • Viewpoint
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14.6 km
Highlight • Viewpoint
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15.9 km
Highlight • Viewpoint
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18.8 km
Highlight • Viewpoint
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24.2 km
End point
Train Station
Way Types & Surfaces
Way Types
8.51 km
5.32 km
3.81 km
3.67 km
2.88 km
< 100 m
Surfaces
10.2 km
8.35 km
2.51 km
1.60 km
1.15 km
371 m
< 100 m
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Elevation
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Weather
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Tuesday 9 December
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.