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Relaxation at Lake Ilay

  • ©OT Haut-Jura Grandvaux

The many lakes of the territory offer a true haven of peace to relax, to rest, picnic by the water and enjoy the riches offered by the landscape.

In Lake Ilay, boating is prohibited by municipal decree and swimming is tolerated, under your own responsibility.

To swim in complete peace of mind and enjoy different facilities (beaches, games, etc.) you can go to:

- To chalain lake (30 minutes) : www.lac-chalain.com

- to lakes of Clairvaux-les-lacs (25 minutes) : www.juralacs.com

- To Vouglans lake (40 minutes) : www.lac-de-vouglans.com


Lake Ilay is a preserved and fragile natural space, which is home to many wildlife species.

It is also the source of drinking water for the surrounding villages.


We are counting on you to show discretion and sensitivity to the environment of this lake:

collect your waste, keep your distance from wild fauna and flora, keep your animals near the banks, limit the use of synthetic products, etc.


In order to ensure the protection of this framework, different regulations are put in place around the lake:

  • a wildlife quiet zone between the lakes is set up from April 15 to September 15: please do not enter between the lakes!
  • bivouac, camping and fires are prohibited in the 4 lakes sector.

Thank you in advance for your help in protecting this gem!


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