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France

Auvergne Rhône Alpes

Rhône

Chaponost

Pont-siphon du Garon — Aqueduc romain du Gier

Discover
Places to see

France

Auvergne Rhône Alpes

Rhône

Chaponost

Pont-siphon du Garon — Aqueduc romain du Gier

Pont-siphon du Garon — Aqueduc romain du Gier

Recommended by 152 mountain bikers out of 154

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    Best Mountain Biking Routes to Pont-siphon du Garon — Aqueduc romain du Gier

    4.5

    (8)

    77

    riders

    1. Thurins Dam – Château de Montaland washhouse loop from Brignais

    51.5km

    04:49

    1,170m

    Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.

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    Expert

    Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

    Intermediate

    Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.

    Intermediate

    Tips

    March 16, 2023

    In the Barret valley, the siphon bridge spans the Garon and links Brignais to Chaponost. This bridge is part of the Roman Aqueduct of Gier, one of the four aqueducts created to supply Lyon with water. Originally, ten lead pipes stood on this bridge. Operating according to the law of communicating vessels, the siphon bridge was at the time a technical feat that required extensive knowledge in the field of hydraulics.

    Translated by Google •

      May 28, 2022

      Shade and mountain bike paths

      Translated by Google •

        August 4, 2024

        An impressive work from the Roman era, this siphon bridge is part of the Gier aqueduct, one of the longest Roman aqueducts.

        Translated by Google •

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          Elevation 230 m

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          Wednesday 24 September

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          10 %

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          Max wind speed: 9.0 km/h

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          Location: Chaponost, Rhône, Auvergne Rhône Alpes, France

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