GCMH is located in the most extreme western section of Maryland, which lies within the Appalachian Plateau. Bordered on the north by Pennsylvania and on the west and south by West Virginia, Garrett County is a four-season vacation area that offers a peaceful and enriching quality of life fast becoming popular in today's hurried decade.
 

As the largest employer in Garrett County, GCMH employs an average of 365 employees and offers a wide range of employment opportunities.