The Original Home and surrounding woods on the Pasadena campus, viewed from above.

Pasadena · Campus

Pasadena, MD Residential Campus: 40-Acre Sanctuary & Medical Detox

Secluded 40-acre wooded estate at 171-A Ryan Rd, Pasadena, MD featuring ASAM Level 3.5 dual diagnosis care and intimate River Glen psychiatric homes.

Original Home and the three River Glen homes share a 40-acre wooded campus in Pasadena. Your program and home are matched to your clinical needs. The Pasadena homes are licensed for ASAM Level 3.5, a category of intensive residential addiction treatment. Physician-directed medical detox is available at all four residential homes on the Pasadena campus when the care team determines it is appropriate.

The setting

40-acre property.
4 homes.
24 bedrooms.
40 client maximum.
2 pools.
4 hot tubs.
2 infrared saunas.
3 gyms.
Walking trails.
Fire pits.
2 basketball hoops.
4 pool tables.
Ping pong table.
10 living rooms.
4 dining rooms.
23 full bathrooms.
9 half bathrooms.
Multiple TVs.
Premium cable.
Medical team.
Mental health team.
Culinary team.
Holistic team.
Housekeeping.

What happens here

Dual-diagnosis residential care at Original Home, River Glen One, and River Glen Two. Mental health residential care at River Glen Three. PHP and IOP run from Arnold, not from these houses.

Getting here

Pasadena, Maryland.

Forty wooded acres between Baltimore and Annapolis. We’ll send arrival details once a date is set, and we can help with travel from BWI.

Admissions · 9 AM – 9 PM, every day

Original Home surrounded by woodland on the Pasadena campus.

Get in touch

Ask about the programs offered here, current availability, and arrival details.
“My time at Tranquility Woods was easily one of the best decisions I’ve made in my life. The care I received was top notch, and the staff here actually cares about their clients.”
Benjamin, Google review
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Place

Campus ·
Pasadena, MD

Care

ASAM Level 3.5

Programs

Dual Diagnosis Residential Treatment & Detox in Pasadena, MD
Primary Mental Health Residential Treatment in Pasadena, MD (8-Bed Home)

The Pasadena campus

See photos of this location.

Four residential homes share a wooded Pasadena setting, with indoor and outdoor spaces distributed across the property.

Explore the facility in 3D (opens in a new tab)

Original Home on the Pasadena campus.
The garden path on the Pasadena campus.
The pool terrace and Original Home in evening light.
Two people talking in the Original Home living room.
The living room in River Glen Three.
A bedroom in River Glen Three.
River Glen Three on the Pasadena campus.
Original Home surrounded by woodland on the Pasadena campus.
The kitchen in River Glen Three.
The dining table in River Glen Three.
The recreation room in River Glen Three.
A bedroom in River Glen Three.
Original Home on the Pasadena campus.
The garden path on the Pasadena campus.
The pool terrace and Original Home in evening light.
Two people talking in the Original Home living room.
The living room in River Glen Three.
A bedroom in River Glen Three.
River Glen Three on the Pasadena campus.
Original Home surrounded by woodland on the Pasadena campus.
The kitchen in River Glen Three.
The dining table in River Glen Three.
The recreation room in River Glen Three.
A bedroom in River Glen Three.

The campus map

Find the homes and amenities on the campus map.

Twenty places across the Pasadena campus, from the four homes to the pools, pond and trails. Open a pin for photos.

Four homes · one campus

Four houses share the Pasadena woodland campus.


Original Home

Dual Diagnosis Residential
Original Home on the Pasadena campus.

Dual Diagnosis Residential Treatment & Detox in Pasadena, MD

River Glen One

Dual Diagnosis Residential
River Glen One on the Pasadena campus.

Dual Diagnosis Residential Treatment & Detox in Pasadena, MD

River Glen Two

Dual Diagnosis Residential
River Glen Two on the Pasadena campus.

Dual Diagnosis Residential Treatment & Detox in Pasadena, MD

River Glen Three

Primary Mental Health Residential
River Glen Three on the Pasadena campus.

Primary Mental Health Residential Treatment in Pasadena, MD (8-Bed Home)

All locations

Common questions

Questions about the campus.

Find answers about treatment, daily life, and getting started.
Search all 214 questions

Our blog

Reading before you arrive.

Articles and care guides from the Tranquility Woods journal.
All articles

21 Oct 2026

Dual Diagnosis Care: 3 Questions About Assessment

Read the article

21 Oct 2026

Alcohol and anxiety: when to ask for help

Read the article

21 Oct 2026

Dual diagnosis or primary mental health treatment: what is the difference?

Read the article