Black Rock Lake USGS Phoenixville Quad, Pennsylvania, Topographic Map

Black Rock Lake is a Reservoir in the state of Pennsylvania (county of Montgomery), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.13677 and W -75.50797. Black Rock Lake is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Phoenixville quad. The nearest major town is Mont Clare, PA.