Mammoth Creek Reservoir is a reservoir located in Gilpin County, Colorado. It appears on the Nederland USGS 7.5-minute topographic quadrangle. The nearest populated place is American City (historical), approximately 1.8 miles to the ESE.
Gilpin County · Colorado
Mammoth Creek Reservoir is a reservoir located in Gilpin County, Colorado. It appears on the Nederland USGS 7.5-minute topographic quadrangle. The nearest populated place is American City (historical), approximately 1.8 miles to the ESE.