BOUCLE - FICHE N3 - CIRCUIT DU VAL D'ORNE - BALLON SAINT MARS
BALLON-SAINT MARS
In some areas, it follows a narrow, sunken path between 2 natural hedgerows that becomes a stream three-quarters of the year (know
The Brière islands include the communes of Saint-Joachim and Saint-Malo-de-Guersac.