1144 S. Gulph Rd., Upper Marion Township, Pennsylvania. County/parish: Montgomery.
Added to the National Register of Historic Places December 24, 1997. NRIS 97001251.
1 contributing site.Also known as:
Hanging Rock, also known as Overhanging Rock, or locally as Drummond's head, is a historic natural feature which is located in Gulph Mills, Upper Merion Township, Montgomery County, Pennsylvania. It is a large natural outcropping of phyllite that protrudes approximately eight feet over a roadway, Pennsylvania Route 320 (South Gulph Road), which was laid out as a public highway between 1711 and 1712.
It was listed on the National Register of Historic Places in 1997.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/71995725