Passerelle Marc-Seguin – Doux Gorges loop from Lamastre

Passerelle Marc-Seguin – Doux Gorges loop from Lamastre

Hard

5.0

(2)

riders

Passerelle Marc-Seguin – Doux Gorges loop from Lamastre

03:35

73.2km

1,000m

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 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional des Monts d'Ardèche

Waypoints

Start point

Train Station

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26.2 km

Duzon Viaduct

Highlight • Other

The Duzon bridge was begun on June 20, 1870, and completed on December 25, 1871 (designed by Marius Bouvier).

Built with local stones, it has 8 arches and is 50 meters high.

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32.6 km

Tournon-sur-Rhône Castle and Museum

Highlight • Castle

The castle and museum of Tournon-sur-Rhône are a real historical and cultural pearl. Nestled on the banks of the majestic Rhône river, this medieval castle offers a breathtaking view of …

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32.9 km

The roads of Tournon-sur-Rhône

Highlight • Settlement

At the Tour de France 2017 this village will be passed. Smooth asphalt and the finest French landscape offers ideal conditions for racing cyclists.

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33.2 km

Passerelle Marc-Seguin

Highlight • Bridge

The Marc-Seguin footbridge was built by Marc Seguin between 1847 and 1849. It is a wider and higher version of the first suspension bridge he had built next door in …

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39.9 km

Grand Pont de Tournon-sur-Rhône

Highlight • Bridge

Built in its current version probably at the end of the Middle Ages, with significant difficulties, which is then frequent. It may not have really been completed until the beginning …

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45.6 km

Doux Gorges

Highlight (Segment) • Gorge

Pretty section with regular views of the Doux below… Well shaded road in the morning in summer.

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55.1 km

Col de Boze (460 m)

Highlight • Mountain Pass

Col de Boze, 460m on the road between St Félicien and Tournon.

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61.0 km

Château d'Arlebosc

Castle

73.1 km

Old Lamastre train station

Highlight • Historical Site

The old Lamastre station is the arrival point of the Ardèche train. Called Le Mastrou, this train takes you on a discovery of the Gorges du Doux. Built from 1886 …

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