The Thur river is a 53.3 km long river of Alsace, which rises near Wildenstein and flows through a valley of the same name, passing through St Amarin, Thann, and then from Cernay, it flows into the plain towards Ensisheim to flow into the Ill. Return to the Ecomusée d'Alsace car park, following the site of the "Rodolphe" tile.