By Mail
Chesapeake & Ohio Canal NHP
1850 Dual Highway, Suite 100
Hagerstown, MD 21740-6620
By Phone
Park Headquarters 301-739-4200
Georgetown Visitor Center 202-653-5190
Great Falls Tavern Visitor Center 301-767-3714
Brunswick Visitor Center 301-834-7100
Williamsport Visitor Center 301-582-0813
Hancock Visitor Center 301-678-5463
Cumberland Visitor Center 301-722-8226
By Email
C&O Canal NHP Headquaters
Click Here to Report a Safety Hazard along the C&O Canal
By Fax
301-739-5275