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Bon Repos Castle – Hertzian Tower loop from Eybens

Routes

Mountain biking trails

Bon Repos Castle – Hertzian Tower loop from Eybens

Moderate

riders

Bon Repos Castle – Hertzian Tower loop from Eybens

02:09

22.5km

550m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: August 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 5.53 km for 167 m

Waypoints

Start point

Bus stop

Get Directions

730 m

Le Verderet

Lake

2.61 km

Roman Road

Highlight • Historical Site

The slope is quite steep and with a lot of rocks, but it can be climbed without putting your foot down. It's not particularly fun to descend. Better to take the surrounding enduro trails.

Showing Translation

Tip by

6.29 km

Bon Repos Castle

Highlight • Castle

You can park near the castle Clic clac Kodak and hop, in the saddle

Translated by Google •

Tip by

11.4 km

Mount Chaboud

Highlight • Other

the climb to Montchaboud is quite steep, but fun

Translated by Google •

Tip by

12.0 km

Nice view of Montchaboud from the heights

Highlight • Viewpoint

From the heights overlooking Montchaboud, the view is simply magnificent. This small village in Isère, nestled in the heart of lush greenery, reveals itself with its traditional houses and fields …

Translated by Google •

Tip by

12.8 km

Short but technical singletrack

Highlight • MTB Park

The climb is too steep for me on gravel

Translated by Google •

Tip by

17.2 km

Hertzian Tower

Highlight • Monument

19.5 km

Viewpoint

22.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.2 km

5.64 km

2.11 km

1.46 km

1.06 km

Surfaces

10.5 km

7.84 km

1.50 km

1.44 km

968 m

275 m

Elevation

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

Highest point (580 m)

Lowest point (230 m)

Weather

Friday 21 August

26°C

11°C

0 %

Additional weather tips

Max wind speed: 7.0 km/h

to get more detailed weather forecasts along your route

Comments

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Bon Repos Castle – Hertzian Tower loop from Eybens

Roman Road

Bon Repos Castle

Mount Chaboud

Nice view of Montchaboud from the heights

Short but technical singletrack

Hertzian Tower

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