Col du Tronc – Legendary Mountain Passes Velo in Le Châble

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11.7 km
861 m
00h28
Medium

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Last verified: 3 July 2025

Description by the author

From the Val de Bagnes, the Col du Tronc heads towards the summit of the Pierre Avoi through the mountain pastures. The 11.6 kilometres of climbing to 1,606 metres of altitude are on a steady slope for the length of the ascent. The peculiarity of this pass is that the second half of the course is on dirt road. Therefore, it will delight gravel bike users as well as adventurous road cyclists! At the summit of the pass, you have the possibility of turning left towards the Col des Planches below or right in order to climb to the summit of the Col du Lein just a few hundred metres above.
Leaving the village of Vollèges behind, the Col du Tronc takes you climbing quickly above the Val de Bagnes – the valley that is home to the famous mountain resort of Verbier. First as you pedal through meadows then forest, this climb allows you to view a unique panorama: the Catogne, the Tête de la Payanne and the Mont Rogneux are just a few of the summits that you can admire! Half-way through the climb, the paved road transforms into a dirt road, transporting you back to the early days of road racing when the “forçats de la route”, the hardened road riders of the era, would climb over the unpaved alpine passes. It’s a safe bet that you will take a few moments to pretend to be Gino Bartali or Fausto Coppi! At the top you will discover some stunning views of the Valais between coniferous trees at the top of the pass.
Regional trains on the Saint Bernard line to Etiez.
Motorway A9 to Martigny, take the right lane (E27 Grand Saint Bernard) and continue in direction to Verbier/Chamonix. At the roundabout, take the second exit direction Aoste/Gd-St-Bernard/Verbier. Then take the Route de la Vallée to Sembrancher and continue to Vollèges.
Parking at the village of Vollèges. Follow the local car park routeing in Vollèges.
We recommend: bike in excellent working order, helmet, gloves and bell, clothing suitable for the weather (always carry a waterproof), food and drink.
Use marked bike trails and routes only, and observe all signposting. Please close gates after passing through. Please be considerate to walkers and to plants and animals. As a rule, walkers have priority. When planning, take into account participants’ fitness level and ability. All riding is at one’s own risk.
Use marked bike trails and routes only, and observe all signposting. Please close gates after passing through. Please be considerate to walkers and to plants and animals. As a rule, walkers have priority. When planning, take into account participants’ fitness level and ability. All riding is at one’s own risk.

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Route description

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Statistics

Difficulty level: Medium (53/100)

Length: 11.7 km

Duration: 00h28


Total ascent: 861 m

Maximal slope: 9.2 %

Net ascent: 861 m

Total descent: 0 m

Roads and subsoil

Paved roads: 11.7 km (100 %)

Cobblestones: 0 m (0 %)

Bike paths: 3.3 km (28 %)

Scenery

Car free roads: 3.3 km (28 %)

Noise pollution

Amount of traffic


Natural area

Urban area

Water rich area

Characteristics

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        Start and end of the route

        Closest address to start: Route du Dzardy, Vollèges, Switzerland

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        Places of interest

        1. Vollèges

          0 · Municipality
          Vollèges is a former municipality in the district of Entremont in the canton of Valais in …
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        Vollèges
        0 km1 km1 km2 km2 km3 km3 km4 km4 km5 km5 km6 km6 km7 km7 km8 km8 km9 km9 km10 km10 km11 km11 km12 km12 km749 m1,614 m
        PLUS
        200 m

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