Boscobel (Garrison, New York) From Wikipedia, the free encyclopedia Jump to: navigation, search Boscobel U.S. National Register of Historic Places View of house from entrance road, 2007 Location Garrison, NY Nearest city Beacon Coordinates 41°24′40″N 73°56′21″W / 41.41111°N 73.93917°W / 41.41111; -73.93917Coordinates: 41°24′40″N 73°56′21″W / 41.4111..