The Abbey of Our Lady of Gethsemani is a Catholic monastery in the United States near Bardstown, Kentucky, in Nelson County. The abbey is part of the Order of Cistercians of the Strict Observance (Ordo Cisterciensis Strictioris Observantiae), better known as the Trappists. Founded on December 21, 1848, and raised to an abbey in 1851, Gethsemani is considered to be the motherhouse of all Trappist and Trappistine monasteries in the United States. Gethsemani is the oldest Trappist monastery in the country that is still operating.