Rocky Islands is a island located in Montgomery County, Maryland. It appears on the Falls Church USGS 7.5-minute topographic quadrangle. The nearest populated place is Great Falls, approximately 0.6 miles to the NNE.
Montgomery County · Maryland
Rocky Islands is a island located in Montgomery County, Maryland. It appears on the Falls Church USGS 7.5-minute topographic quadrangle. The nearest populated place is Great Falls, approximately 0.6 miles to the NNE.