Holy Trinity Catholic Church in Columbia, PA is a parish of the Diocese of Harrisburg, in full communion with the Holy Roman Catholic Church. Originally founded to minister to the influx of German immigrant workers in Columbia’s booming industries in the 1860’s, it now covers territories in Columbia, Maytown, Sinking Spring, and Mountville, as well as having members registered and attending from many other nearby areas. We hope to make you feel welcome if you should choose to contact or visit us, or just explore our website. May God bless you, and give you His peace.