Pack 166 is sponsored by St. Thomas More Catholic Church, located in far northwest Austin, not far from Cedar Park, Anderson Mill, and Four Points on State Highway 620. The church is at 10205 Ranch Road 620, Austin, TX 78726.

Weekly Den Meetings are held in the classroom building, a two story building to the rear of the Church property on the right.

Monthly Pack meetings are held in the Parish Activity Center -- across the steet from the classroom building -- in the back left corner of the property.