The Grand Rock – Merdaret Pass loop from Les Quatre Chemins

Routes

Mountain biking trails

The Grand Rock – Merdaret Pass loop from Les Quatre Chemins

Moderate

5.0

(3)

riders

The Grand Rock – Merdaret Pass loop from Les Quatre Chemins

02:13

20.1km

700m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Last updated: October 1, 2026

Tips

Includes very steep uphill segments

You may need to push your bike.

After 8.73 km for 337 m

After 9.59 km for 429 m

Waypoints

Start point

Get Directions

2.75 km

Barrioz loop - Cret du poulet - Pipay

Highlight • Other

5.69 km

Chemin de terre

Highlight • Other

6.73 km

Crêt du Poulet Refuge

Highlight • Mountain Hut

The Crêt du Poulet refuge is a really nice spot, located in the heart of an alpine pasture with 40 cows. There is an exceptional panorama of the Belledonne range, …

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7.99 km

Lake Belleaiguette

Highlight • Lake

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

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8.49 km

View of Belledonne

Highlight • Viewpoint

Arrived on the ridge line, venturing a little off the path, you will discover the wild face of belledonne on the other side of the upper Breda valley

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9.23 km

Lac de Séchident

Lake

10.2 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 …

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11.8 km

Cul de Pet

Highlight • Other

Summit with a rather improbable name, the Cul de Pet culminates at 1,837 meters above sea level and offers beautiful views of the Belledonne range.

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16.3 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.

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20.1 km

End point

Way Types & Surfaces

Way Types

19.5 km

446 m

< 100 m

Surfaces

8.79 km

7.29 km