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Castle in the French commune of Montigny-Montfort
For the castle with the same name in Dordogne, see Château de Montfort.
For the castle with the same name in Yvelines, see Montfort-l'Amaury.
It is well known for St. John's Fire (Feu de Saint-Jean) on St. John's Eve, as part of Medieval Festival of Château Montfort (Fête Médiévale au Château de Montfort), held in the castle every year around June 21–24.