Clerval, France

Clerval is a former commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France. On 1 January 2017, it was merged into the new commune Pays-de-Clerval

Located on the Canal du Rhone au Rhin adjacent to le Doubs

Over the centuries, a village was built around the castle, a walled city surrounded by walls.