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Hiking trails & Routes

Auvergne Rhône Alpes

Thonon-Les-Bains

Erratic boulder, Pierre de Martin – Cute clearing loop from Ballaison

Hiking trails & Routes

Auvergne Rhône Alpes

Thonon-Les-Bains

Erratic boulder, Pierre de Martin – Cute clearing loop from Ballaison

Easy

4.0

(4)

15

hikers

Erratic boulder, Pierre de Martin – Cute clearing loop from Ballaison

01:33

5.69km

80m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 15, 2026

Waypoints

A

Start point

Parking

1

509 m

Erratic boulder, Pierre de Martin

Highlight • Other

I hiked through the forest from Massongy and at a turn, hidden by a high hedge, there it was all of a sudden. But you can also reach the boulder …

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Tip by

2

4.52 km

Cute clearing

Highlight • Other

The forest in front of it is dense and very shady. There the clearing with the single tree on it is a small apparition.

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Tip by

3

4.90 km

View over pasture to Voiron

Highlight • Other

There are countless better views on the Signal des Voiron. But coming from the forest, all the time in the shade and wandering between trees, this view was an apparition and worth a photo.

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Tip by

B

5.69 km

End point

Parking

Way Types & Surfaces

Way Types

3.82 km

1.87 km

Surfaces

2.97 km

2.60 km

126 m

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Elevation

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Weather

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Saturday 17 October

11°C

9°C

93 %

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Max wind speed: 8.0 km/h

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