Ru d'Allien du Mont and By Tunnel
Hiking Highlight
Recommended by 47 hikers
Tips
Very interesting 800 m long tunnel Ru from the old water ways. Very interesting. Tip: bring a flash light! It is very dark.
August 13, 2024
Excursion suitable for the whole family, the Aosta Valley is well-assorted paths with tunnels
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•August 15, 2022
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