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Col de Boze (460 m) – Passerelle Marc-Seguin loop from Arlebosc

Col de Boze (460 m) – Passerelle Marc-Seguin loop from Arlebosc

Hard

riders

Col de Boze (460 m) – Passerelle Marc-Seguin loop from Arlebosc

04:21

88.2km

1,290m

Road cycling

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: June 19, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 0 m for 151 m

After 88.2 km for 151 m

Waypoints

Start point

Train Station

Get Directions

2.21 km

Château d'Arlebosc

Castle

8.15 km

Col de Boze (460 m)

Highlight • Mountain Pass

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

Translated by Google •

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14.3 km

Saint-Félicien / start of the Ardéchoise

Highlight • Other

The biggest cycling festival with almost 15,000 cyclists every year

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17.9 km

Col de Fontayes

Highlight • Mountain Pass

Ultimate Ardéchoise pass (to return to the outlying car parks from St Félicien) ^^

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32.7 km

Château de Chavagnac

Highlight • Castle

Château Chavagnac is a castle located in the town of Lemps in the Ardèche department, in the Auvergne-Rhône-Alpes region.

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37.2 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 of the 16th century, the "golden age" of the town of Tournon, because the funds for the works were apparently lacking on several occasions. We note about it the existence of a specialized corporation: the pontonniers du Doux.

It is an exceptional work, of national interest due to the span of its formidable 49.2 m semicircular arch, a technical record for the time (in France it is comparable to the arches of "La Vieille Brioude" and Nyons ). Its aesthetics are also remarkable (observe it from the railway line, both upstream and downstream).

Translated by Google •

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42.3 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 1825 (destroyed in 1965). The footbridge, formerly a road bridge, has been used solely as a pedestrian bridge and then also as a cyclist bridge since the construction of the modern Gustave Toursier bridge in 1958. The building has been listed as a historic monument since 1985.

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48.8 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.

Connecting Tournon to Lamastre, 175 meters long, the bridge sees over 4,000 vehicles and about 200 heavy trucks pass each day in both directions.

Showing Translation

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74.9 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 to 1891, the railway line goes up the gorges from Saint-Jean-de-Muzol to Lamastre. This old steam locomotive takes you back in time. It is possible to make the trip with bicycles. Remember to book your tickets well in advance, especially during the summer.

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88.2 km

End point

Train Station

Way Types & Surfaces

Way Types

83.4 km

3.72 km

691 m

376 m

198 m

Surfaces

85.9 km

2.03 km

308 m

< 100 m

Elevation

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

Highest point (610 m)

Lowest point (120 m)

Weather

Wednesday 8 July

33°C

22°C

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Col de Boze (460 m) – Passerelle Marc-Seguin loop from Arlebosc

Col de Boze (460 m)

Saint-Félicien / start of the Ardéchoise

Col de Fontayes

Château de Chavagnac

Grand Pont de Tournon-sur-Rhône

Passerelle Marc-Seguin

Duzon Viaduct

Old Lamastre train station

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