St. Ann's Cathedral

About this church

St. Ann's Cathedral is a Catholic cathedral parish at 715 3rd Avenue North in Great Falls, Montana. Weekend Masses are the Saturday vigil at 4:30 p.m. and Sunday at 9:30 a.m. and noon. Weekday Mass is Tuesday through Friday at noon, Reconciliation is Saturday at 3 p.m., and Adoration is Tuesday from 11 a.m. to noon. Masses are livestreamed. The stone Gothic Revival cathedral was built in 1906 and 1907, has 21 stained-glass windows, and houses a pipe organ built in 1929. Worship aids in each pew list the order of Mass, postures, and prayers, and visitors who are not Catholic are asked not to receive Communion but may come forward with arms crossed for a blessing. Dress is comfortable but conservative.

Free parking is next to the Heisey Community Center, with the lot entrance on 4th Avenue North. Little Church for children ages 2 to 11 is offered most Sundays during the 9:30 a.m. Mass in the Rectory basement, and K-12 Faith Formation meets Sundays from 10:40 to 11:45 a.m. in the Rectory. Other offerings include an OCIA program, adult Bible study, adult sacrament classes, a soup kitchen, Worldwide Marriage Encounter, and parish gatherings in the Annex and the Heisey gym. The parish office is open Tuesday through Friday from 10 a.m. to 2 p.m.

Researched from the church’s official website and reviewed October 5, 2026. Sources: Mass times, livestream, location · Visitor FAQ, parking, children · Little Church and K-12 Faith Formation · History and building

Service times

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Hours

Published hours can change. Confirm them directly with the church before visiting.

Location