EuroVelo Route 15 is 1233 km in length and runs from the source of the Rhine in the Alps to its mouth at the North Sea, passing through 4 different countries.

The route is fairly flat and suitable for cyclists of all levels. The trail runs for 180 km through Alsace, from Huningue (near Basel) to Lauterbourg.

 http://www.velorouterhin.eu/Eurovelo-15

http://www.bas-rhin.fr/transports/velo/itineraires-et-pistes-cyclables