Distance: 9 km
Duration (average) : 2 hours
Level: Blue level - Moderate
Elevation: 150 D +
Departure: Chirens
In the countryside
Recommended period (s): Autumn, Summer, Winter, Spring


You will find yourself at the bottom of the ancient lake of Chirens which, after the ice melted around 15 years ago, was filled with sediment and peat to become a marsh. Beautiful views over the ancient glacial valley of the Val d'Ainan.

These marshes today extend over 380 hectares between the foothills of Chartreuse and Lake Paladru.

Wet meadows, reed beds, pastures, cereal fields and afforestation ... It is a mosaic of environments with great floristic diversity. A rich variety of plants flourish on the site such as Orchids and species specific to wetlands such as willows or reeds. The path of the Dragonflies developed by the Department offers the discovery.

Tour stages:
- Chirens
- Beaudine
- The Pretty
- The Brushes
- Le Ruibet
- La Garangère
- La Courriaz
- La Reviriaz
- The Arsenal
- Antwerp
- Beaudine
- Chirens

History, culture and heritage : Take advantage of your stay in Chirens to visit the Benedictine Priory of Chirens and its remarkable XNUMXth century Romanesque apse.

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  • Blue level - Moderate


Free access.