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Routes
Road cycling routes
Switzerland
Valais
Entremont
Sembrancher

Val Ferret and Mauvoisin Dam Climbs

Hard

7

riders

Val Ferret and Mauvoisin Dam Climbs

05:42

94.6km

2,420m

Road cycling

This difficult 58.8-mile road cycling route offers challenging climbs, stunning Valais Alps views, and passes the impressive Mauvoisin Dam.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

19.1 km

Val Ferret Scenic Road to La Fouly

Highlight • Cycleway

Small village in the Swiss Alps which is worth the detour, the landscape is breathtaking!

Translated by Google •

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2

21.4 km

Ferret Village

Highlight • Settlement

Small hamlet on the way, you can easily access it in the summer by road bike and take a ride there for a great outing!

Translated by Google •

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3

22.5 km

Les Ars en Dessous

Highlight • Viewpoint

Road leading to Les Ars en Dessous, with a nice view of the surrounding mountains.

Translated by Google •

Tip by

4

69.1 km

Mauvoisin Dam

Highlight • Monument

Ultra impressive building, worth seeing! If you decide to climb the dam, you will have a superb view of the lake!

Translated by Google •

Tip by

B

94.6 km

End point

Parking

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Way Types & Surfaces

Way Types

83.2 km

8.74 km

2.73 km

< 100 m

Surfaces

92.7 km

1.26 km

353 m

270 m

< 100 m

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Elevation

Elevation

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

Highest point (1,960 m)

Lowest point (710 m)

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Weather

Powered by Foreca

Wednesday 27 May

25°C

13°C

7 %

Additional weather tips

Max wind speed: 3.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What level of fitness is required for this road cycling circuit?

This circuit is classified as a "Hard road ride" and demands a very good level of fitness. The climb to the Mauvoisin Dam alone is significant, with substantial elevation gain over several kilometers.

What is the terrain like on the Circuit d'Ars Dessous et du Barrage de Mauvoisin?

The route primarily features well-paved surfaces suitable for road bikes. You'll navigate through the Val de Bagnes, encountering significant climbs and descents. Be prepared for tunnels, some of which are lit, including a 1.5 km tunnel from the dam and a 392-meter gallery along the path to the dam.

What kind of scenery can I expect along the route?

You can expect breathtaking views of the majestic Valais Alps, including snow-kissed summits, gleaming glaciers, and lush green meadows. The route showcases the emblematic peaks of Val de Bagnes and the beautiful Lac de Mauvoisin. In autumn, the vibrant colors of larch trees add to the spectacular journey.

Are there any notable features or landmarks on the circuit?

Absolutely. A major highlight is the Mauvoisin Dam, which is the second tallest in Europe. You'll also pass through Ferret Village and enjoy views from Les Ars en Dessous. The Val Ferret Scenic Road to La Fouly is another beautiful section.

How long does it typically take to complete this road cycling circuit?

The tour is approximately 94.6 kilometers long with over 2400 meters of elevation gain. On average, it takes about 5 hours and 42 minutes of pure cycling time, but plan for longer to account for stops and enjoying the scenery.

Where can I park to start the Circuit d'Ars Dessous et du Barrage de Mauvoisin?

While specific parking locations aren't detailed, starting points like Sembrancher or Le Châble are common for accessing the climb to the Mauvoisin Dam. Look for public parking options in these villages.

What is the best time of year to cycle the Circuit d'Ars Dessous et du Barrage de Mauvoisin?

The best time to cycle this route is typically during the warmer months, from late spring to early autumn, when the mountain passes are clear of snow and the weather is most favorable. Autumn offers particularly vibrant colors from the larch trees.

Are there any permits or fees required to cycle this route?

No specific permits or entrance fees are generally required to cycle the public roads and trails along this circuit.

Is the Circuit d'Ars Dessous et du Barrage de Mauvoisin dog-friendly?

While the route is on public roads, it's a challenging road cycling route with significant traffic in some sections and tunnels. It is generally not recommended for cycling with dogs due to safety concerns and the nature of the terrain.

Are there any sections of the route closed to motorized traffic?

Yes, a notable section of the climb from Le Châble to the Mauvoisin Dam, specifically 11.5 km, is closed to motorized traffic. This provides a more serene and enjoyable cycling experience for a significant portion of the ascent.

What amenities are available for cyclists along the route?

The Val de Bagnes area, through which the route passes, offers various amenities. You can find cafes and accommodations in villages like Ferret and potentially near the dam. The region is also known for its excellent raclette cheese, offering a local culinary experience.

Does the route intersect with other cycling or hiking trails?

Yes, the route intersects with several other paths. Notably, it covers sections of the Chemin du 700ème, Promenade de la Dranse, and the Tour du Mont Blanc - Itinéraire principal. You'll also find smaller portions of trails like the Trail Verbier St-Bernard - Traversée and the Via Francigena - 03 part Switzerland.

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