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Natural Monuments

District de Porrentruy

Haute-Ajoie

Trou du Creugenat Karst Sinkhole

Natural Monuments

District de Porrentruy

Haute-Ajoie

Trou du Creugenat Karst Sinkhole

Highlight • Natural Monument

Trou du Creugenat Karst Sinkhole

Name: Trou du Creugenat Karst Sinkhole
Rating: 2

Recommended by 3 hikers

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Location: Haute-Ajoie, District de Porrentruy, Espace Mittelland, Switzerland

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Best Hikes to Trou du Creugenat Karst Sinkhole

4.0

(2)

hikers

1. Circuit des dinosaures — loop from Courtedoux

13.5km

03:46

240m

250m

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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Moderate

hikers

2. Étang du Dinosaure – View of La Tour Réfousse loop from Fontenais

14.3km

03:50

170m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

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3. Hiking loop from Courtedoux

7.96km

02:10

120m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Tips

Garen

April 25, 2021

The Trou du Creugenat is a karst hole in the Ajoie from which water emerges and which creates a temporary river, the Creugenat, during floods. The periodic lake forms between 4 and 10 times per year, the river is sometimes only visible for a few hours, sometimes over a week. The flow can reach 15 to 20 m3/s.
The water follows the Courtedoux plain and flows into the Allaine at Porrentruy.

When dry, the depth of the hole is clearly visible - simple steps lead to the bottom, and a thick rope helps you climb up or down. There is a water level gauge on the side of the rock walls and you can clearly see the mud traces of the last floods.

In the immediate vicinity of the hole there is also a picnic area with a table and benches, as well as an improvised fire pit.

A meadow path leads from the bike path to the hole.

Translated by Google •

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Details

Informations

Elevation 450 m

Weather

Sunday 16 November

13°C

8°C

0 %

If you start your activity now...

Max wind speed: 8.0 km/h

See hikes here

Take Me There

Location: Haute-Ajoie, District de Porrentruy, Espace Mittelland, Switzerland

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Trou du Creugenat Karst Sinkhole

1. Circuit des dinosaures — loop from Courtedoux

2. Étang du Dinosaure – View of La Tour Réfousse loop from Fontenais

3. Hiking loop from Courtedoux

Other Popular Places to Check Out

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