The Potomac Appalachian Trail Club is a volunteer-based organization, headquartered in Vienna, Virginia. The PATC was founded in 1927 by the visionaries who planned and built the Appalachian Trail. The club now manages more than 1,200 miles of hiking trails in the Mid-Atlantic region, along with cabins, shelters, and hundreds of acres of conserved land. The PATC conducts trail workshops in Rock Creek Park and helps to maintain our trail system
The Friends of Georgetown Waterfront Park (FOGWP) is a nonprofit organization with over 200 members working to raise awareness of the park and support its construction through friend-raising and fundraising. Individuals with an interest in supporting the park are encouraged to contact FOGWP.
Dumbarton Oaks Conservancy
Working in partnership with the National Park Service, Dumbarton Oaks, and the greater community, the Dumbarton Oaks Park Conservancy is committed to making this dream a reality. We welcome your input, ideas and, in time, contributions of time, talents, and money.