Welcome to Walden!  

For over 40 years, Walden has been at the forefront of behavioral health in the Southern Maryland region. Since 1973 we have continued to grow and evolve to meet the changing needs of individuals and families, all while working hard to improve the overall health of our surrounding community.

Our comprehensive array of services is designed to provide clients with the help they need – when they need it. Thank you for helping us continue to bring "Help for today. Hope for tomorrow."




Learn More

Check out our events section for info on upcoming events and pictures from past events and mark your calendar for this year's Annual Fundraising Event on September 18th at the Olde Bretton Inn!


Walden's CEO Dr. Kathleen O'Brien will be speaking in regards to the Opiate Crisis on February 5th @ Southern Maryland Higher Education Center. Please join the Patuxent Partnership and listen to Dr. O'Brien speak visit www.paxpartnership.org or our Facebook page for more info!

Ask about our SBIRT training!

Speakers and presenters available upon request email gary@waldensierra.org 


This picture was taken at last year's Walk A Mile event. Join us in 2015 Walk A Mile with Walden again!

Latest News & Events

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Walden Awarded SBIRT GRANT

November 14, 2014 3:00 pm
The St. Mary’s County Health Department has awarded Walden, the leading provider of treatment and recovery support services for adolescents and adults in read more …

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St. Mary's County Detention Center

October 27, 2014 12:00 pm
The St. Mary’s County Board of Commissioners has authorized onetime funding of $35,000 to the St. Mary’s County Sheriff’s Office to provide read more …

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A Magical Evening Under the Stars

October 10, 2014 12:10 pm

Set to take place at the Olde Breton Inn in Leonardtown, Maryland, the semi-formal event will recognize the hard work and dedication of those who seek treatment at Walden to address their individual needs.

read more …