Mountainside Treatment Center

Top-Rated Addiction Treatment in Connecticut

Mountainside treatment center has offered best-in-class addiction treatment services since 1998, helping thousands of people to achieve long-term sobriety. In fact, we have a 98% satisfaction rate for Detox & Residential addiction treatment programs from Mountainside alumni. Removed from the stress, triggers, and temptations of everyday life, our serene campus serves as the perfect healing environment for you to fully engage in your recovery – mind, body, and spirit.

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Ready to Commit to Your Recovery?

If you’re serious about getting started on the road to recovery, our Detox and Residential rehab treatment programs for addiction are an amazing place to start. Whatever your needs are, we can help you find the right combination of counseling and therapeutic activities to support your healing process and help lay the foundation for the happier, healthier life you deserve. Your care is overseen by our team of well-qualified, seasoned clinicians and takes place within a safe and supportive environment. We offer a full continuum of care and work with each individual to create the best treatment plan for you!


If you think you are ready to start this life-changing process, Mountainside can provide expert and personalized guidance based on tried-and-tested methods over 25+ years of care provided to thousands of people.

Medically-Monitored Detox is the Best First Step on Your Road to Recovery

This comprehensive program combines evidence-based treatments, individualized care, and holistic wellness offerings in a serene healing environment where your emotional, physical, and psychological needs are fully met with no distractions and compassionate care from our team of experts.

You’ll begin with medically supervised, inpatient detox, where you will receive individualized care and support by a team of experienced nurses, doctors, psychiatrists, and clinicians. To ensure your safety and comfort during this critical stage in your recovery, our expert medical team provides 24/7 care to help you manage cravings and withdrawal symptoms.

Watch Now: What Is Detox?

With a strong foundation for healing in place following our Detox Program, individuals who are committed to their holistic recovery and overall well-being will benefit from Mountainside’s personalized intensive 35-night residential, inpatient addiction treatment program. During this time, you will learn about the root of your addiction and develop the tools needed to maintain long-term sobriety.

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Getting Started

We work with most major insurances to get you started on your recovery journey. Here are the 3 major phases of our most effective personalized treatment plan.


Inpatient Assessment (3-5 days)

Comprehensive evaluations to determine diagnosis, treatment recommendations with appropriate level of care, fitness for returning to practice, and timeline for potential return.

  • History and physical exam
  • Urine screen and bloodwork testing
  • Biopsychosocial assessment
  • Family dynamics assessments, family genogram, and family APGAR
  • Psychiatric evaluation
  • Neuropsychological assessment, as needed
A detox nurse taking care of a patient at Mountainside treatment center in Connecticut.

Medically Monitored Detox
(3-10 days)

Psychiatric and 24-hour nursing care to maximize comfort during and ensure success through the withdrawal process.

  • Group therapy, daily
  • Individual therapy, 2 sessions
  • Medication-Assisted Treatment options available
  • Yoga and acupuncture
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Women talking outside- addiction treatment group counseling

Residential Treatment
(35+ days)

Full curriculum of fundamental education and counseling, supported by a broad range of wellness therapies, to develop skills in recognizing triggers and actionable strategies to positively manage stressors.

  • 8 hours of programming daily
  • Group therapy with other healthcare professionals, 2 sessions each day:
    • AM session provides psychoeducation on topics including shame and guilt, trauma, compassion fatigue, and work-life balance.
    • PM session utilizes a range of modalities such as Seeking Safety, DBT skills for recovery, and “Doc-to-Doc” to explore areas of group concern.
  • Individual therapy, 2 to 3 sessions per week
  • Family Wellness programming:
    • 1 assessment session with client
    • 1 assessment session with family only
    • 1 joint client and family session
  • Holistic wellness therapies daily, including yoga, qigong, meditation, hiking, challenge courses, and therapeutic art, music and writing
  • Case management and aftercare planning 
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The Mountainside Difference

For those seeking a life free from addiction, Mountainside promises a treatment experience beyond your expectations. We are committed to providing you with the quality of treatment and care that we would want for our very own loved ones. We call this our “loved one standard of care.”

  • Individualized Treatment Plans – Each client is unique, and to meet every special set of recovery needs, we utilize a data driven approach to create a personalized wellness plan to meet your needs. By combining your various test and assessment results with statistical data housed in our CARMA system, we create a personalized treatment plan tailored to match your background, psychology, and recovery goals.
  • Full Continuum of Care – Mountainside offers a complete spectrum of addiction treatment programs & services featuring a range of proven clinical therapies and innovative, holistic addiction treatments. Our full continuum of care enables us to guide you sequentially through every step of your recovery journey. Upon completion of detox and residential treatment in Canaan, you have the opportunity to continue receiving outpatient treatment and recovery coaching in Canaan or at one of our satellite locations. Our entire team works closely across all sites to ensure a seamless transition, so you can omit the time-consuming process of introductions and background information that comes with moving to a new practice.
  • Convenient Location – With an atmosphere of comfort, compassion, and respect, Mountainside Canaan is one of the leading alcohol and drug rehabilitation centers in the Northeast. Our location in the Berkshires promotes privacy yet is still highly accessible from the major cities of New York, Boston, Newark, and Philadelphia . We work regularly with clients from all over Connecticut, including Darien, Westport, Ridgefield, Fairfield, Hartford, Stamford, and New Haven. While the majority of clients come from Connecticut, New York, New Jersey, Pennsylvania, and Massachusetts, we welcome clients from throughout the US, as well as international clients from overseas.
  • Qualifications- We are a fully licensed, medically supervised drug and alcohol treatment facility dedicated to providing you with best-in-class service. Our experienced team of medical staff, clinicians, wellness experts, and recovery coaches works synergistically together to provide you the best alcohol and drug abuse recovery experience. We work closely with each other to ensure you a smooth, coordinated experience from the very beginning of your recovery and through each part of your journey. Our list of accreditations testifies to our commitment of excellence in quality care.

When you are ready, we are here.

Whether you are ready to begin treatment, or if you just have questions about yourself or a loved one, is rehabilitation center is here to assist.

Our admissions staff is prepared to answer any questions you may have about your treatment options and we will work with your insurance provider when possible. Please click any of the buttons below to speak to a caring advisor today.