Classement Traildino EW, Marche facile, sentier de la nature
Vitré - Douarnenez
This trail works itself through the interiors of Brittany. Vitré is some distance east from Rennes. The GR37 ends at the coast of Brittany and connects to the much more popular coastal trail GR34. The interior of Brittany is also uncovered by the GR38, running south of the GR37.