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Mountain biking trails

The Grand Rock – Col des Ayes (944 m) loop from Goncelin

Routes

Mountain biking trails

The Grand Rock – Col des Ayes (944 m) loop from Goncelin

Hard

riders

The Grand Rock – Col des Ayes (944 m) loop from Goncelin

05:20

51.7km

1,840m

Mountain biking

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

Last updated: May 29, 2026

Tips

Includes a segment in which cycling is not permitted

After 35.5 km for 75 m

Waypoints

Start point

Train Station

Get Directions

18.6 km

Barrioz loop - Cret du poulet - Pipay

Highlight • Other

21.5 km

Crêt du Poulet

Highlight • Summit

The Crêt du Poulet offers breathtaking views of the Belledonne range and the Bauges. What a spot!

Translated by Google •

Tip by

24.1 km

Lake Belleaiguette

Highlight • Lake

Nice place that can be accessed by easy trails from the Crêt du Poulet refuge

Translated by Google •

Tip by

25.3 km

Lac de Séchident

Lake

26.2 km

The Grand Rock

Highlight • Summit

Summit of the Belledonne range culminating at 1,926 meters above sea level, the Grand Rocher overlooks the Grésivaudan valley. From there, we have an incredible view of the Chartreuse, the …

Translated by Google •

Tip by

27.7 km

Cul de Pet

Peak

28.9 km

Merdaret Pass

Highlight • Viewpoint

The Merdaret pass is located at 1,798 meters above sea level. Here you can enjoy a superb view of the high peaks of the Belledonne range and the Haut Bréda valley.

Translated by Google •

Tip by

35.4 km

Prapoutel is part of the Sept Laux. In winter, it is a snow sports resort. In summer, we do downhill mountain biking and hiking. There are a few small shops there. Summer and winter, it's a very nice place!

Translated by Google •

Tip by

40.6 km

Col des Ayes (944 m)

Highlight • Mountain Pass

A regular climb on the balconies of Belledonne. At the top, you can continue to the ski resort of Les 7 Laux.

Translated by Google •

Tip by

51.7 km

End point

Train Station

Way Types & Surfaces

Way Types

23.9 km

21.1 km

3.55 km

1.74 km

894 m

310 m

146 m

Surfaces

24.4 km

17.4 km

6.63 km

2.30 km

579 m

364 m

Elevation

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

Highest point (1,900 m)

Lowest point (240 m)

Weather

Wednesday 1 July

27°C

14°C

-- %

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Comments

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The Grand Rock – Col des Ayes (944 m) loop from Goncelin

Barrioz loop - Cret du poulet - Pipay

Chemin de terre

Crêt du Poulet

Lake Belleaiguette

The Grand Rock

Merdaret Pass

Prapoutel

Col des Ayes (944 m)

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