A beautiful light-filled bedroom suite with contemporary design at Mountainside treatment center.


Mountainside offers inpatient (residential) addiction treatment with an effective combination of medical, psychiatric, and holistic wellness offerings. Our intensive 35-night residential, inpatient addiction treatment program serves as the catalyst for you to completely transform your life and gain the tools needed to maintain long-term sobriety. Removed from the stress, triggers, and temptations of everyday life, our serene campus at the foot of the Berkshire mountains serves as the perfect backdrop for you to fully engage in your recovery – mind, body, and spirit.

Call 800 500 0399 Residential Photo Gallery

Now Open: Mountainside’s Residential Suite. Life-saving inpatient addiction treatment with added comfort, privacy, and flexibility.

Residential Addiction Treatment Program Overview

Our residential program combines addiction education, 12 Step principles, and counseling to help you understand the driving forces of your alcoholism or drug addiction. Learning to recognize your behaviors and practice mindfulness help you better manage your actions. To complement clinical treatment, a vast array of wellness therapies and support network services help foster total wellness, from physical to mental and spiritual.

Residential Addiction Treatment Program Offerings

No two individuals are alike and neither are their recovery journeys. Mountainside’s residential addiction treatment program provides a robust range of traditional addiction treatments and alternative wellness therapies to help you find the right mix of offerings that works best for you and your recovery.



A group of women meeting and talking happily under a tree during a group therapy session at Mountainside

Gender Group

Men-only and women-only groups to discuss gender-specific issues in recovery such as self-esteem, societal and cultural pressures, family dynamics, and interpersonal relationship issues.

Group therapy session addressing substance abuse in a community space at Mountainside Treatment Center

Group Counseling

Daily clinician-facilitated therapy session that enables you to openly express yourself and explore issues with others who can relate to and understand addiction-related concerns.

A blonde woman with glasses speaking to other women in a meeting at Mountainside Canaan

Understanding Risk in Recovery

Group focused on the risks of early recovery, addiction trends, and strategies to avoid threats and overcome challenges in your addiction recvoery journey.

A woman with glasses comforting a man in a denim shirt who is starting addiction treatment at Mountainside

Seeking Safety

Group designed to help manage symptoms related to trauma in one’s early stages of addiction recovery, develop coping skills, practice containment strategies and foster self-empowerment for change.

Clinical services team meeting at Mountainside Treatment Center.

Recovery Education

Curriculum designed to explain how alcoholism or drug addiction has impacted your life and what to be mindful of in the recovery process.

Male client with a male therapist in an individual counseling session at Mountainside Treatment Center

Individual Counseling

One-on-one sessions with a clinician to help you process thoughts, feelings, and behaviors to gain a clearer understanding of your inner-self and develop and strive towards personalized treatment goals.

Patients in a 12 step addiction recovery group raising their hands to participate

12 Step Education

Discussion based on 12 Step literatures from peer support groups like Alcoholics Anonymous and Narcotics Anonymous, focusing on recovery.

A concerned man and woman sitting in a circle at an addiction recovery group meeting

Anger Management

Group designed to identify and examine triggers, adjust perceptions, and develop constructive ways to express anger and frustration.

A close up of two people holding hands supportively, drug rehab & addiction treatment.

Building a Recovery Network

Educational group that explores how to develop a sober support network, including an introduction to our Alumni Services.

Medical & Psychiatric

Gloved nurse's hand performing an HIV blood test for medical examination

HIV and Hepatitis C Tests

Screenings designed to determine if you are currently infected with HIV or Hepatitis C by detecting antibodies in your blood.

A man with a headache holding his head experiencing detox drug withdrawal symptoms.

Withdrawal Assessment

Evaluation of addiction withdrawal symptoms such as cravings, anxiety, and depression specific to your substance of abuse and history of use.

Pharmocogenic testing instruments for addiction treatment patients.

Pharmacogenic Test

Collection of your genetic information to better understand how medications used as part of your addiction treatment will affect your body.

Mountainside treatment center recovery coach giving a drug rehab patient a cup for urine analysis.

Toxicology Screenings

Breathalyzer tests and urine analysis to check for the presence of drugs or alcohol in your body, and help you stay accountable in recovery.

Older male doctor checking a female patient's blood pressure.

Physical Exam

Medical exam to evaluate your general health and determine any degree of physical issue caused by your addiction.

nutritionist reviewing needs with client

Nutritional Assessment

One-on-one evaluation to assess the toll substance abuse has taken on your body and address your most imminent nutritional needs.

Medical Doctor reviewing bottles of unlabeled medication / pills with female client.


Workshop highlighting the benefits of medications in treating co-occurring disorders as well as proper medication management after discharge.

Family Wellness

Male drug and alcohol clinician in an individual counseling session with a client

Individual Family Counseling

One-on-one session to help you understand and analyze your current family dynamics, discusses the negative impact that damaged relationships can have on your progress, and explore the best ways to repair them.

A mother and son meeting with an addiction treatment professional at Mountainside Treatment Center

Family Counseling

Joint family therapy session to open the lines of communication between you and your loved ones, allowing you and your family to devise a plan together for a healthier relationship moving forward.

4 young adults in peer support group for addiction treatment at Mountainside Treatment Center

Family Dynamics Group

Discussion of how your addiction has impacted your family, how your family has impacted you and your addiction, as well as the role your family members and friends play in your treatment and recovery.

Continuing Care

Addiction treatment professional wearing a blazer and holding a clipboard.

Aftercare Planning

Based on your strengths, progress, and goals, your case manager shares options for the next addiction treatment steps after you complete your current phase of drug or alcohol rehabilitation.

Female case manager checking on a recovering addict over the phone

Post-Treatment Follow-Up

In partnership with our alumni team, the Continuing Care team members check up on your health and well-being, connect you with helpful resources, and encourage you to stay motivated in your recovery.

Clinical services team meeting at Mountainside Treatment Center.

Aftercare & Recovery Education

Prepares you for what life is like after residential inpatient addiction treatment through discussion of the daily challenges you may face, how to avoid common pitfalls, where to find helpful resources, and more.

Luxury Residential Suite

We offer a deluxe suite for those individuals who are looking for an added level of privacy and for whom maintaining contact with home and work is critical.
Learn more about our Luxury Residential Suite

Typical Day at Mountainside’s Residential Program


  • Open Gym
  • Breakfast
  • Qi Gong
  • Meditation
  • Community Meeting
  • Group Therapy
  • Spiritual Enhancement


  • Free Time
  • Open Gym
  • Dinner
  • Nicotine Support Group
  • Recovery Education

Frequently Asked Questions

Q: Where will I be living during my stay in the residential program?

You will be staying in one of our spacious, modern bedrooms. Detailed pictures of residential rooms and bathrooms can be found in the residential photo gallery.

Read All Residential FAQs

Meet Our Residential Team

Our team is composed of licensed and credentialed clinicians with extensive experience in the field of substance-abuse treatment guide clients through recovery and into a life full of possibilities. Mountainside’s Residential Inpatient Addiction Treatment program is available in Canaan, CT.

A woman answering a customer service call with a headset on.

Still Have Questions?

Speak to a caring admissions specialist today!

Call 800 500 0399


We work with most private insurance plans, including Aetna, Anthem, BlueCross BlueShield, Beacon Health Plans, Cigna, Empire BlueCross BlueShield, GEHA, Meritain Health, ValueOptions, and many others. To find out if you’re covered for addiction treatment at Mountainside, you can verify your insurance benefits by clicking below.

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800-500-0399 Live Chat Contact Form