LUCHON

36 – THE PIT OF HELL

A real natural curiosity, this is a cool, wooded walk. At the end of the Lis valley, on your left, you can see the Portillon hydroelectric power station, built in 1941.
Did you know that the water turbined in this plant comes from the Portillon lake at an altitude of over 2,500m in the neighbouring valley? The water is transported to the turbines via an 8km underground gallery and a penstock (above the plant).

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Pets allowed

Description

Leave from the Vallée du Lis car park, to the right of the Cascade d’Enfer, and follow the path up to the chasm. You can come back down via the Pré de l’Artigue and the beech forest to complete a loop.

Opening periods

From 01/04/2026 to 29/11/2026

Hiking route

Departure & arrival CASTILLON-DE-LARBOUST / CASTILLON-DE-LARBOUST
Elevation gain
SignpostingYellow
Type of activityTrail
Distance5 km(s)
LevelMedium
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Address 36 - LE GOUFFRE D'ENFER Parking vallée du Lis BAGNERES-DE-LUCHON

How to access it?

Phone(s) 05 61 79 21 21

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36 – THE PIT OF HELL

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36 – THE PIT OF HELL

Contact the provider

Report a bug

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GUIDED TOUR OF THE "BELLE ÉPOQUE" TOWN

DJ BLZ CONCERT AT THE CHAPEL - SUPERBAGNÈRES

VISIT TO THE BREWERY

ANIMATIONS NOCTURNES À SUPERBAGNÈRES

VISITE DE LA CENTRALE HYDROÉLECTRIQUE EDF

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