Charlotte Hall is one of Walden's inpatient substance use disorder treatment programs. We offer a wide variety of services in St. Mary's County for not only people struggling with addiction, but also for their loved ones. At Walden, we believe in the power of help today; hope for tomorrow. For more than 40 years, our facilities have gone above and beyond to serve our communities with high-quality and trustworthy treatment and recovery services. We strive to meet every client's unique needs as they embark on their personal journey through recovery. Walden programs are licensed by the State of Maryland and accredited by the Commission on Accreditation of Rehabilitation Facilities (CARF). We aim to customize treatment to address the personal