Founded 1855, the American-Cassinese Congregation is a Catholic association of Benedictine monasteries.
The Congregation includes 25 monasteries; 19 are autonomous monasteries and 6 are dependent priories. Our monasteries are located in 15 of the United States, Puerto Rico, Brazil, Canada, Colombia, Mexico and Taiwan.
Abbot Boniface Wimmer OSB, founder of Saint Vincent Archabbey in Latrobe, Pennsylvania, created the Congregation. Pope Pius IX erected it as a monastic congregation under the patronage of the Holy Guardian Angels.
Our monasteries follow the
Rule
written by Saint Benedict of
Please email us at webmaster@amcass.org about the website with any questions, comments, suggestions, or edits.
Upcoming Events
Annual Abbots' Workshop
February 2-6, 2026The 2026 Abbots and Administrators Workshop will be hosted by Tepeyac Abbey near Mexico City from February 2-6, 2026. This year's workshop will focus on addressing mental health issues in monastic life. Since travel will be significant for most participants, February 2 and 6 are designated travel days. The workshop program will run on February 3 and 5. Tepeyac Abbey has arranged for the participants to stay at the adjacent Mexican Bishops' Conference Retreat Center, which offers comfortable and welcoming accommodations. The all-inclusive cost of the workshop is $600. This includes lodging, meals, airport transfers, and an outing, but does not include airfare to and from Mexico City Juarez International Airport. Please register online and mail your check (USD) as directed on the form.
Visitation Workshop
November 3-6, 2025SAVE THE DATE: The Abbot President is convoking a workshop to train monks in our monastic congregation to serve as visitators during the quinquennial canonical visitations of our monasteries. The workshop will be held at St. John's Abbey Guest House in Collegeville, MN on November 3-6, 2025. Abbot Matthew Leavy, O.S.B. and Father Daniel Ward, O.S.B will be the presenters. Registration forms, which include travel directions (pg. 2) can be sent as indicated below. Interested monks may also register using the abbey's guesthouse on-line form. Participants using this on-line form are asked to note “Visitation Workshop: Attn.: Cyril OSB” at the bottom of that form.
Contact person for registrations:
Fr. Cyril Gorman, O.S.B.
320-363-4009 (ask for Fr. Cyril)
Email for registration forms: