This Vosges river rises at Fennematt, near the Ballon d'Alsace, and flows into the Ill at Illzach after a 46 km journey through Sewen, Masevaux and the Pont d'Aspach. The lower Doller valley, where we are, is a Natura 2000 site and a water catchment protection area. Note the recent fish ladders under the bridge. Shortly after the Doller bridge, on the left of the road, a small red brick building dating from 1896 is a private water pumping station belonging to the textile company DMC (which employed up to 9000 workers in 1928).