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Saint-Jean-De-Maurienne

Saint-Martin-D'Arc

Bonneval-sur-Arc – Iseran Pass loop from Saint-Michel - Valloire

Saint-Jean-De-Maurienne

Saint-Martin-D'Arc

Bonneval-sur-Arc – Iseran Pass loop from Saint-Michel - Valloire

Hard

4.8

(20)

1,303

riders

Bonneval-sur-Arc – Iseran Pass loop from Saint-Michel - Valloire

07:54

147km

2,880m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 5, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 47.2 km for 1.14 km

Closed: • December-March (otherwise open)

After 60.7 km for 262 m

Closed: • December-March (otherwise open)

After 61.2 km for 4.53 km

Closed: • November-May

After 82.1 km for 4.53 km

Closed: • November-May

Waypoints

Start point

Train Station

Get Directions

4.17 km

L'Arc

Lake

25.9 km

Summit and View of Aussois

Highlight • Summit

It is a good variation on the main road on the other side of the Arc: nice road, much less traffic, passage through Aussois, view over a good part of …

Translated by Google •

Tip by

60.5 km

Classified as "The most beautiful villages in France", the village and winter sports resort of Bonneval-sur-Arc welcomes its visitors in magnificent stone chalets, covered with lauzes, which perpetuate the tradition. …

Translated by Google •

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70.0 km

Bonneval side of Iseran

Highlight • Mountain Pass

Starting from Bonneval sur Arc (south side) fill up with water at the fountains of this magnificent mountain village. The climb is very trying, you have to make the most …

Translated by Google •

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73.8 km

Iseran Pass

Highlight • Mountain Pass

Located at 2770 meters above sea level, the Col d'Iseran is the highest European asphalt pass. There are magnificent views of Val-d'Isère and the Maurienne. Egan Bernal won his Tour de France 2019 with tremendous action at this summit.

Translated by Google •

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99.3 km

Col de la Madeleine

Highlight • Mountain Pass

The Col de la Madeleine from Lanslebourg-Mont-Cenis is 6.7 kilometers long with a total elevation gain of 347 meters. The average gradient is 5.2% with maximum gradients of 10%. It connects Lanslebourg-Mont-Cenis with Bonneval-sur-Arc.

Translated by Google •

Tip by

123 km

Barrière de L'Esseillon

Highlight • Historical Site

Fort-Victor Emmanuel, better known as the Barrière de L'Esseillon, is a series of five forts built in the 19th century on the rocky lock or "rocky close" which closes the …

Translated by Google •

Tip by

124 km

View of Fort Victor-Emmanuel

Highlight • Viewpoint

Beautiful view of Fort Victor Emmanuel.

Showing Translation

Tip by

138 km

Retenue de Bissortette

Lake

146 km

Saint-Michel-de-Maurienne

Highlight • Other

Beautiful, very welcoming town.

Translated by Google •

Tip by

147 km

End point

Train Station

Way Types & Surfaces

Way Types

80.4 km

44.8 km

21.2 km

464 m

< 100 m

Surfaces

145 km

1.59 km

< 100 m

Elevation

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

Weather

Sunday 23 August

24°C

7°C

37 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Comments

June 29, 2025,GRANDE ROUTE DES ALPES -J4

The day started badly because my charger and power bank were stolen during the night. My phone was at 30% charge, and the remaining cord didn't work. Anyway, I had to keep moving; I told myself I'd take fewer photos.
The climb up the Iseran was steady, and the 17 km were covered in just under 2 hours. But the …

Showing Translation

July 5, 2022,Étape 4 : Tignes à Valloire

The days are alike and always good weather without wind, finally if for the first time at the top of Iseran. First pass at 2770 m before continuing with the telegraph in the forest.

Showing Translation

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Bonneval-sur-Arc – Iseran Pass loop from Saint-Michel - Valloire

Summit and View of Aussois

Bonneval-sur-Arc

Bonneval side of Iseran

Iseran Pass

Col de la Madeleine

Barrière de L'Esseillon

View of Fort Victor-Emmanuel

Saint-Michel-de-Maurienne

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