Several million years ago, the Ain was lost underground, in a labyrinth of cavities, an underground gallery called "losses". Over time, the work of water erosion has done its work, …
Nicknamed "Little Siberia", Mouthe is known for its freezing winter temperatures. It is also here that the Doubs river has its source. Located at the gates of the Jura Natural …
The Serpentine, (first tributary of the Ain river whose source is located a little higher) forms a small lake near the ruins of a mill. It is from a cornice …
This city in the Middle Ages was a highly strategic place. For more than 300 years, from the 13th to the 16th century, its inhabitants controlled the commercial exploitation of …
The ruins of the castle of Château-Vilain occupy a remarkable position, they are in the Jura mountains, on the second plateau at an altitude of 720m, and dominate the valley of the Ain and the losses of the river