Big Rock USGS Janesville West Quad, Wisconsin, Topographic Map

Big Rock is a Pillar in the state of Wisconsin (county of Rock), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 42.67001 and W -89.02956. Big Rock is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Janesville West quad. The nearest major town is Janesville, WI.