Lac du Chambon and its dam – Sarenne Pass loop from Le Freney-d'Oisans

Bike touring routes & trails

Lac du Chambon and its dam – Sarenne Pass loop from Le Freney-d'Oisans

Hard

5.0

(2)

123

riders

Lac du Chambon and its dam – Sarenne Pass loop from Le Freney-d'Oisans

02:22

27.0km

1,010m

Cycling

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 17, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc national des Écrins (aire d’adhésion)

Waypoints

Start point

Bus stop

Get Directions

80 m

Lac du Chambon and its dam

Highlight • Lake

A lake with crystalline colors.

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140 m

Lake Chambon

Highlight • Lake

Here you have a superb view of Lac du Chambon.

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804 m

Dam at Lac du Chambon

Highlight • Other

A beautiful route, though challenging, with the last 4 kilometers reaching between 8.5 and 10%. The descent is on a rough road with many potholes. After 5 kilometers, it becomes …

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1.79 km

Mizoën Village

Highlight • Settlement

Mizoën is a small village nestled at 1,186 meters above sea level. It overlooks the Romanche, the Ferrand and the Lac du Chambon. There is a public fountain there.

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6.40 km

Beautiful little place Clavans le Haut

Highlight • Other

A lovely village where I experienced an almost extreme silence and tranquility. Highly recommended.

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13.2 km

One of the most epic climbs I’ve ever done — a hidden paradise, not well known, unlike the more popular climbs. In my personal opinion, it’s a much more epic ascent than Alpe d’Huez. Highly recommended

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13.5 km

Sarenne Pass

Highlight • Mountain Pass

The Col de Sarenne is one of the mythical passages accessible from Bourg d'Oisans and Alpe d'Huez! Culminating at nearly 2000 m, its passage requires a good physical condition whether it is during a bike outing or a hike.

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