Lac des Brenets

The Lac des Brenets is about 0.8 km ² large lake in the Jura, on the border of Switzerland and France. In France, you know the lake under the name Lac de Chaillexon, named after a hamlet on the valley slopes. It lies in the valley of the Doubs and is slightly more than 4 km long with a width of an average of 150 to 200 m. The average lake level is at 750 m above sea level. M.; the deepest point of the lake bottom in the northern section of the lake reaches 724 m above sea level. Level, which corresponds to a maximum depth of 26 m.

Main tributary of Lac des Brenets is the Doubs, which in the flat and partly swampy valley floor beneath the French village of Villers -le- Lac gradually widened into a standing water with many small turns. From the south here opens the Rançonnière that drains the valley of Le Locle, in a side arm of the lake. The initially flat shoreline change, the farther northeastward to get to in the steep bank. The only 200 m wide lake is here a gorge dug into the heights of the Jura and has several major turns. A special form the limestone rocks, some of which fall with highs of 20 to 80 m vertically in the lake. At the northeast end of the lake entfliesst the Doubs, which after a short distance down falls of about 400 m in the Saut du Doubs 27 m and flows into the Lac de Moron.

The Lac des Brenets was created by a landslide, which occurred about 14,000 years ago and the Doubs dammed, who had previously buried here while millions of his bed by erosion in the limestone of the Jura.

Seeanteil have the eponymous Les Brenets in the Swiss canton of Neuchâtel, the 100 m is situated on a hillside above the lake, and lying in the French department Doubs town of Villers -le- Lac.

The lake is due to its natural beauty as one of the most popular attractions in the High Jura. In the summer it is used for boating and swimming. During the winter it is frozen periodically over several weeks and is transformed thereby into a giant ice rink.