The Baou tunnel is the last one encountered on the Blanc-Martel trail. It is 670 meters long and is distinguished by its curved shape. Inside, an opening provides access to the Baume-aux-Pigeons.

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D-Buddi

May 26, 2025

Hiking

You shouldn't have a problem with it being dark, cold and narrow; the tunnel is long and really tough, as there's a lot of water in it.

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1. Verdon Gorge – Blanc-Martel trail loop from Rougon

19.6km

06:02

500m

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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2. Verdon Gorge – Baou Tunnel loop from Rougon

2.45km

00:51

130m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

4.8

(425)

3,802

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3. Verdon Gorge – Blanc-Martel trail loop from Verdon Gorge

23.7km

07:30

740m

Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.

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Hard

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Informations

Elevation 740 m

Weather

Tuesday 3 March

14°C

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Take Me There

Location: Rougon, Castellane, Provence-Alpes-Côte d'Azur, Provence, Provence-Alpes-Côte D'Azur, France

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Baou Tunnel

1. Verdon Gorge – Blanc-Martel trail loop from Rougon

2. Verdon Gorge – Baou Tunnel loop from Rougon

3. Verdon Gorge – Blanc-Martel trail loop from Verdon Gorge

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