Tunnel de Saint-Albin

The Saint-Albin tunnel is the jewel in the crown of the Saône valley. 681 metres long, it was built between 1838 and 1880. This underground canal, listed as a Historic Monument, cuts through a meander in the Saône. The whole area is an ideal place for walking and relaxing, particularly with the interpretation trail "La Saône et l'Homme" (The Saône and Man).