From lakes to mountains

Haut Jura Grandvaux
From lakes to mountains

Lakes and waterfalls

A gradation of green, blue, turquoise : our lakes will amaze. Along their banks, take a break for swimming, fishing, or take it easy under the nature's spell.

And what about our waterfalls, now turbulent and alive, now quiet and resting : it is true nature.



Lac de Narlay


Triangular in shape, this lake is the deepest in the Jura. There are many legends on this lake. Possible activities Bathing permitted for residents of the municipal campground (unmanaged and unsupervised). Hiking or mountain biking


Lac du Grand Maclu


The Grand Maclu is connected to the lake of Ilay. Unlike Petit Maclu, which is surrounded by forest, Grand Maclu is bordered to the east by prairie. Private lake / Swimming prohibited Possible activities: Hiking and mountain biking


Lac du Petit Maclu


In 1820, the author Charles Nodier called this site Little Scotland because these still wild lakes look like region of Loch Mare. Surrounded by limestone cliffs, meadows or forests, each lake has its own colour, light and character. At Panoramic viewpoint of 4 lakes (in La Chaux du Dombief "Pic de...


Lac de bonlieu


Almost completely surrounded by forest, dominated by steep rocky cliffs, Bonlieu Lake is ideal for walking. Its quiet and serene atmosphere. It's also perfect for fishing. On the southern side, a forest road leads to La Ronde viewpoint, from which there is a beautiful view on the lake


Lac de chalain


Lake Chalain is the biggest natural lake in Jura. Between 4000 and 1000 B.C, the first farmers of Neolithic period built their villages on pillars on the shores of lake Chalain. The ruins were exceptionally well preserved under the surface of the lake. The archaeological zone is not open at the...


Cascades & gorges de la langouette


Go to the continuation of the fairy "Langouette" ! A payful walk is offered along the river enclosed at the bottom of one of the most spectacular canyons of Jura. The fairy awaits you, for you to discover its magical environment and its hidden secrets. Do not miss it !


Lac de l'Abbaye et Belvédère du Moulin


A 6.9 kms hiking and cycling trail guides you around this wonderful « Abbaye » lake, it’s ideal for families. The “Mill’s” belvedere is accessible by foot or by car. Access for wheelchairs is possible from the church to “l’Echappement” (escapement) with help.


Lac d'Ilay


The lake from glacial origins is still wild. It will surprise you with its turquoise waters and cliffs on the backdrop.

Office de tourisme Haut-Jura Grandvaux

1 rue de la boite
39150 Saint-Laurent en Grandvaux Mail:

Phone: 0033 384 60 15 25

Winter holidays, july and august : Every day 8.30-12.30 / 2-5.30 pm, closed on sunday afternoon.
Christmas holidays and rest of the year : From monday to saturday 8.30-12 / 2-5pm.
Closed on wednesday and saturday afternoon during school time and on bank holidays. July 14th and August 15th, open in the morning only.
December 24 and 31, open 8.30-3pm.

  • Parc Nature Régional du Haut Jura
  • Montagne du Jura
  • Comité Régional du Tourisme de Bourgogne Franche Comté
  • Conseil général du Jura
  • Comité départemental du Jura
  • Office de Tourisme de France

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