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Boullay-Les-Troux

A dungeon in the middle of the woods?

Highlight • Monument

A dungeon in the middle of the woods?

Recommended by 39 cyclists out of 43

This Highlight is in a protected area

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

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    Top cycling routes to A dungeon in the middle of the woods?

    4.8

    (12)

    36

    riders

    1. Église de Choisel – Chemin en Chevreuse loop from Chaumusson

    16.9km

    01:07

    140m

    140m

    Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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    Easy

    Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

    Easy

    Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

    Moderate

    Tips

    June 14, 2021

    I would not like to burst the bubble of the medieval dream, but for information, this tower is a construction of studies of the CEBTP of the Domain of St Paul, which was used to make tests on the concrete structures but also in plumbing in particular the runoff of sewage such as those from toilets ... Sorry for the reality check; No Jouvencelles to issue.

    Translated by Google •

      May 1, 2025

      For more information on this experimental tower, go here: domainestpaul.fr/histoire-laboratoire-fluides-lvf

      Translated by Google •

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        Elevation 120 m

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        Thursday 18 December

        12°C

        4°C

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        Location: Boullay-Les-Troux, Palaiseau, Ile-de-France, France

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