The Abbey of Montier-en-Der in Haute-Marne, France, was formerly a Benedictine, later Cluniac, abbey, dissolved during the French Revolution, the grounds and premises of which, since 1806, have been used as the French National Stud Farm. Monastery The monastery was founded in about 670, in deep oak forest on the banks of the river Voire, at a place that at first still carried its Gallo-Roman name of Puteolus ("little well") in the diocese of Châlons-sur-Marne. The site, which must have been an a…