EGLISE NOTRE-DAME
MONTFORT-LE-GESNOIS
Remarkable church built in the 11th century.
Located in the town centre of Olonne sur mer, this is the oldest and was for many years the most important church in Les Sables d’
Founded in 1152 by Bernard of Clairvaux in the countryside, the Clairmont Abbey or Clermont Abbey in a very pure Cistercian model