France
Provence-Alpes-Côte D'Azur
Provence
Provence-Alpes-Côte d'Azur
Castellane
Rougon
Blanc-Martel trail
France
Provence-Alpes-Côte D'Azur
Provence
Provence-Alpes-Côte d'Azur
Castellane
Rougon
Blanc-Martel trail
Blanc-Martel trail
Hiking Highlight
Recommended by 469 out of 476 hikers
This Highlight is in a protected area
Please check local regulations for: Parc naturel régional du Verdon
Location: Rougon, Castellane, Provence-Alpes-Côte d'Azur, Provence, Provence-Alpes-Côte D'Azur, France
Tips
Unlighted tunnel, part of the GR 4 and Blanc-Martel trails. The tunnel was drilled together with other tunnels in the early 20th century for a hydropower project that has never been realized. Please take a lamp ...!
translated by
•May 24, 2019
Take headlamps with you. Then the sections through the unlit tunnels are a great experience for the entire family.
translated by•May 27, 2018
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