International cycle route 193 km long (45 km of which is in the Sundgau area), created in 1996, offering a loop through France, Switzerland and Germany on both sides of the Rhine. It links the towns of Mulhouse, Basel, Rheinfelden, and Neuenburg. A trekking map, in French and German, describes the itinerary and its variants. Beautiful and almost totally secured marked route with moderate elevations
The shortest of the 9 circuits on offer. It runs along and crosses the Swiss frontier twice. Some slight detours will allow you to take in Landskron castle or discover St Brice chapel nestled in its bucolic setting. The panoramic views of the Alsatian Jura and the Basel countryside are superb. Please note that this circuit is not signposted on Swiss territory.
This itinerary gives you an unusual way of visiting the Sundgau. It goes through villages that not all cyclists know, as an interesting alternative, giving you some of the feel of the neighbouring Franche-Comté region. It uses the Nantes-Budapest bicycle route along the Rhône/Rhine canal. The numerous locks offer a fine show from the towpath.
During this itinerary you will discover the Largue valley with its myriad lakes. Along the Largue cycle track, the Altenach Maison de la Nature and the Hindlingen stork sanctuary give you the chance to stop off for a little while.
The itinerary goes through Hirtzbach, a typical Sundgau village on the Ill river, with pretty floral decorations. From Carspach to Altenach there are views over peaceful forest for you to admire.
On this itinerary, along the river Ill, you will discover numerous curiosities giving you the chance to take short breaks : villages with floral decorations, chapels, Oltingue Farm Museum.
Ferrette, a medieval town in a picturesque setting, is also on this itinerary.
During this itinerary, through the centre of the area, you will soak up the atmosphere of rural Sundgau. Cycling through the villages and the gradually changing landscapes, you will make interesting discoveries.
For Lovers of Romanesque art a detour through Feldbach is a must.