Illinois Gulch is a valley located in Gilpin County, Colorado. It appears on the Central City USGS 7.5-minute topographic quadrangle. The nearest populated place is Central City, approximately 1.1 miles to the N.
Gilpin County · Colorado
Illinois Gulch is a valley located in Gilpin County, Colorado. It appears on the Central City USGS 7.5-minute topographic quadrangle. The nearest populated place is Central City, approximately 1.1 miles to the N.