Heidecke Lake USGS Coal City Quad, Illinois, Topographic Map

Heidecke Lake is a Reservoir in the state of Illinois (county of Grundy), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 41.37448 and W -88.34562. Heidecke Lake is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Coal City quad. The nearest major town is Morris, IL.