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Italy
Tuscany
Siena
Sinalunga

Fonte del Castagno and the Underground Water Trail

Discover
Places to see
Italy
Tuscany
Siena
Sinalunga

Fonte del Castagno and the Underground Water Trail

Highlight • Historical Site

Fonte del Castagno and the Underground Water Trail

Mountain biking

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Hiking

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Road cycling

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  • Location: Sinalunga, Siena, Tuscany, Italy

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    March 30, 2026

    The tunnels of Sinalunga, built in the 13th century to channel water from the Pozzo di San Martino to the Fonte del Castagno, represent an important work of medieval engineering. Today they offer a suggestive underground route.

    *Check the website for opening hours to have the experience
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    Nearby routes

    Best routes near Fonte del Castagno and the Underground Water Trail

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    hikers

    #1.

    Piazza Garibaldi, Sinalunga – Scrofiano loop from Sinalunga

    27.7km

    07:45

    540m

    540m

    Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

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    Hard
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    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate
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    Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

    Moderate

    Details

    Informations

    Elevation 340 m

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    Wednesday 14 October

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    Location: Sinalunga, Siena, Tuscany, Italy

    Other Popular Places to Check Out

    Scrofiano

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