Three Rivers Montana Three Rivers Wilderness treatment program is now closed. We are greatful for the many young people and families who were a part of Three Rivers. We wish everyone that was a part of Three Rivers happiness and Hearts at Peace. We love to hear from former students, families, and staff. Three Rivers Montana contact information: Marylis Filipovich Phone: 406-579-6794 Email: marylis@threeriversmontana.org Contact Marylis for general information, insurance questions, or if you want to get in touch with a former Three Rivers Montana employee. Holli Richardson Phone: 406-579-9265 Email: holli@threeriversmontana.org Contact Holli concerning education matters. Mark Parlett Phone: 406-579-6793 Email: mparlett@threeriversmontana.org Contact Mark for general information.