Saint Vrain Supply Tunnel USGS Lyons Quad, Colorado, Topographic Map

Saint Vrain Supply Tunnel is a Tunnel in the state of Colorado (county of Boulder), located at latitude - longitude coordinates (also known as lat-long or GPS coordinates) of N 40.22082 and W -105.25082. Saint Vrain Supply Tunnel is shown in the center of the topographic (topo) map, which is sourced from the United States Geographical Survey map USGS Lyons quad. The nearest major town is Lyons, CO.