Cascade Source de Lison is an extraordinary waterfall near Nans-Sous-Sainte-Anne (west of Pontartlier) in the region Franche Comte/Jura, France.
Although the waterfall of Source de Lison is only 10 meters high (in two steps), they are very spectacular to see. The origin of the river lies in a cave and Cascade Source de Lison falls almost directly out of the cave.
The average volume of the river Lison is, at the source, 5,35 m3/s but from winter to spring the average volume doubles. There are peaks measures of 70-100 m3/s, extremely powerful.