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Gouffre d'Enfer Dam – Pas-du-Riot Dam loop from Le Bessat

Routes

Hiking trails & Routes

Gouffre d'Enfer Dam – Pas-du-Riot Dam loop from Le Bessat

Hard

4.6

(21)

hikers

Gouffre d'Enfer Dam – Pas-du-Riot Dam loop from Le Bessat

06:08

21.1km

550m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Pilat

Waypoints

Start point

Bus stop

Get Directions

4.02 km

View of the Valley in Parc Naturel Régional du Pilat

Highlight • Viewpoint

5.89 km

View of St Etienne

Highlight • Other

magnificent walk from Bessat to Planfoy by paths and hiking trails. little road except at the end going up on the Bessar

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9.65 km

Gouffre d'Enfer Waterfall

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Immense and vertiginous waterfall, to see before going to the Gouffre dam.

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10.6 km

Gouffre d'Enfer Dam

Highlight • Monument

The Gouffre d'Enfer dam was erected at the request of Napoleon III. It is one of the first “masonry arch weight” dams in Europe. If the name inspires little confidence, …

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13.4 km

Built in 5 years between 1873 and 1878, this dam was built to increase the water supply to the Gouffre d'Enfer dam. Built 3 years earlier it had become insufficient. A magnificent work to admire during your race.

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13.5 km

Peaceful greenery

Highlight • Other

A haven of peace surrounded by nature. Ideal for recharging your batteries far from the urban hustle and bustle.

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13.8 km

Bridge and waterfall

Highlight • Bridge

Small waterfall that passes under this cute little bridge, to reach the lake which we go around.

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14.8 km

Wooden Footbridge Over the Furan

Highlight • Bridge

Nice wooden pontoon crossing the Furan

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21.1 km

End point

Bus stop

Way Types & Surfaces

Way Types

12.4 km

4.53 km

1.64 km

1.55 km

965 m

Surfaces

15.3 km

1.99 km

1.43 km

1.09 km

939 m

411 m

Elevation

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

Highest point (1,170 m)

Lowest point (730 m)

Weather

Friday 28 August

22°C

9°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

Comments

February 12, 2023,Barrage de Gouffre d'Enfer, Pas du Riot, Pilat & Château de Rochetaillée

Youtube video of the hike:

Superb hike near Saint-Etienne, starting from Rochetaillée.
An impressive waterfall, followed by the imposing Gouffre d'Enfer dam, with its vertiginous rise to a cross.
Then comes the Pas du Riot, another dam with its superb lake and pretty tower.
Then the Pilat snowy version for me, and finally the castle of Rochetaillée.

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Gouffre d'Enfer Dam – Pas-du-Riot Dam loop from Le Bessat

View of the Valley in Parc Naturel Régional du Pilat

View of St Etienne

Gouffre d'Enfer Waterfall

Gouffre d'Enfer Dam

Pas-du-Riot Dam

Peaceful greenery

Bridge and waterfall

Wooden Footbridge Over the Furan

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