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Longpont Abbey (Abbaye Notre-Dame de Longpont) was a Cistercian monastery, in present-day Longpont, Aisne, France.
It existed from 1131 to 1793, being founded by monks from the abbey of Clairvaux,[1] at the behest of Jocelin of Soissons. There is now a hotel on the site, located in the old Cistercian inn. The roofless abbey church can be visited, along with the better-preserved buildings around the cloister. The original buildings suffered war damage in 1918.[2]
Its monks included Petrus Cantor and John de Montmirail.[3]
