Hemlock Overlook Regional Park is currently closed. Only the hiking and horse trails are open for passive recreational use.
Hemlock Overlook Regional Park serves as an Outdoor Education Center operated by Adventure Links, an ACA Accredited camp, in cooperation with the Northern Virginia Regional Park Authority. The facility offers a variety of outdoor and environmental education, team development programs for public and private schools, religious groups, community groups, sports teams, corporations, professional organizations, as well as, local, state, and federal government and military agencies. Programs at Hemlock Overlook are open to the public and groups by reservation. Only the hiking and horse trails may be used without prior arrangement.