Rimrock Foundation

Rimrock Foundation logo

1231 North 29th Street, Billings, MT 59101, USA


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Rimrock is the largest drug and alcohol addiction treatment center in the region, serving adults and adolescents with substance use and co-occurring disorders. Rimrock views addiction as a whole person illness affecting an individual’s emotional, physical, spiritual and social well-being. Our drug and alcohol addiction treatment program is designed to help people in Montana, Wyoming, North Dakota, and South Dakota find a balance in their life.

Whether you have or have not completed treatment, we value your input.

Regardless of how much you contribute, we are grateful for your support.

Group therapy was great. I think every aspect of the program was wonderful. I have learned so much and hope to take a lot of the skills and information home with me.


Primary Focus of the Provider

  • Substance Abuse Treatment Services

Type of Care

  • Substance abuse treatment
  • Detoxification
  • Buprenorphine used in treatment
  • Naltrexone (oral)
  • Vivitrol (injectable Naltrexone)
  • Accepts clients on opioid medication

Facility Type


Treatment Approaches

  • Cognitive/behavioral therapy
  • Dialectical behavioral therapy
  • Substance abuse counseling approach
  • Trauma-related counseling

Facility Smoking Policy

  • Smoking permitted in designated area

Service Setting (e.g., Outpatient, Residential, etc.)

  • Hospital inpatient
  • Outpatient
  • Outpatient day treatment or partial hospitalization
  • Intensive outpatient treatment
  • Regular outpatient treatment
  • Hospital inpatient detoxification
  • Hospital inpatient treatment

Facility Operation (e.g. Private, Public)

  • Private organization
  • State substance abuse agency
  • State mental health department
  • State department of health
  • Commission on Accreditation and Rehabilitation

Payment/Insurance Accepted

  • Cash or self-payment
  • Medicaid
  • State financed health insurance plan other than Medicaid
  • Private health insurance
  • IHS/Tribal/Urban (ITU) funds
  • Access to recovery (ATR) voucher
  • Federal, or any government funding for substance abuse programs

Emergency Mental Health Services


Payment Assistance Available


Language Services


Special Programs/Groups Offered

  • Persons with co-occurring mental and substance abuse disorders
  • Adolescents
  • Adult women
  • Adult men
  • Transitional age young adults

Ancillary Services

  • Non-nicotine smoking/tobacco cessation medications
  • Alcohol Detoxification
  • Benzodiazepines Detoxification
  • Cocaine Detoxification
  • Methamphetamines Detoxification
  • Opiods Detoxification
  • Treatment for gambling disorder
  • Individual counseling offered
  • Group counseling offered
  • Family counseling offered
  • Marital/couples counseling offered
  • 12-step faciltitation approach
  • Brief intervention approach
  • Motivational interviewing
  • Anger management
  • Martix Model
  • Relapse prevention

Age Groups Accepted

  • Children/adolescents
  • Adults

Gender Accepted

  • Female
  • Male

Exclusive Services

  • DUI/DWI clients

  • Rimrock Foundation

    1231 North 29th Street, Billings, MT 59101