On the front line, between bunkers and trenches
The tour is punctuated by bunkers which used to mark out the frontline during the first World War. Along the trail you will discover other places such as mills, a washing place and the Hagendorn spring. Historical explanations will be given by signs next to the bunkers.
At the edge of the Doller river a shelter made of wood fitted out with a barbecue area will enable to halt.
Length: a 9 kilometer loop.
Duration: two and half hours.
Start: from the church in Burnhaupt-le-bas, follow the red ring.