Thanks to 12 tours (i.e. 750km of pleasure) specially made for biking,
this topographical guide will allow you to discover the valleys of Thur
and Doller, and also a part of Sundgau and the potassic region.
With the help of a road map which presents all of the tours, you will find for each route the difficulty, mileage, difference in height, but also the explanatory leaflet of crossed villages and beauty spots.
Guide only available in French.