Canal Quarters-C&O Canal Trust-Lockhouse 22Visit WebsiteGet Directions Details Amenities Details Spend the night in an historic lockhouse along the C&O Canal. Hours See website for hours. LocationPennyfield Lock RdPotomac, MD20854Get DirectionsContact Local Phone: 301-745-8888SocialFacebookTwitterYouTubeMapCapital Region Amenities Number of Rooms4 (sleeps 4)Restaurants and Attractions NearbyAttractionsCalleva/Markoff's Haunted ForestLearn MoreArts & CultureGlenstone MuseumLearn MoreAttractionsBretton Woods Recreation CenterLearn MoreArts & CultureArts BarnLearn MoreAttractionsC&O Canal National Historical Park-Great Falls Tavern Visitor CenterLearn MoreSee More For Capital Region