Grass Valley USGS Geyserville Quad, California, Topographic Map

Grass Valley is a Basin in the state of California (county of Sonoma), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 38.69361 and W -122.995. Grass Valley is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Geyserville quad. The nearest major town is Alexander Valley, CA.