Description of the route
Near Saint Oyen town hall take route 14 which rises steeply alongside the stream. It crosses a paved road and then continues towards the woods. It turns right at a junction, and continues along 14 up to the cabins of Morginaz. Continue west on the path that goes into the woods and reaches the private road. On the left, you come to a junction. From here, continue along the branch that rises to reach Plan Puitz with its characteristic grotto fortifications.