Highlight • Historical Site
Fonte del Castagno and the Underground Water Trail
Mountain biking
5.0
(1)
Hiking
5.0
(1)
Tips
Valdichiana Senese
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
*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
7
hikers
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
Hard
5
hikers
5.64km
01:34
110m
110m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Easy
3
hikers
11.2km
03:13
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Moderate
Details
Informations
Elevation 340 m