The Grotto is a falls located in Philadelphia County, Pennsylvania. It appears on the Germantown USGS 7.5-minute topographic quadrangle. The nearest populated place is Saint Martins, approximately 0.2 miles to the NNE.
Philadelphia County · Pennsylvania
The Grotto is a falls located in Philadelphia County, Pennsylvania. It appears on the Germantown USGS 7.5-minute topographic quadrangle. The nearest populated place is Saint Martins, approximately 0.2 miles to the NNE.