Dark Canyon is a valley located in Pennington County, South Dakota. It appears on the Rapid City West USGS 7.5-minute topographic quadrangle. The nearest populated place is Clarkson Addition, approximately 2.4 miles to the S.
Pennington County · South Dakota
Dark Canyon is a valley located in Pennington County, South Dakota. It appears on the Rapid City West USGS 7.5-minute topographic quadrangle. The nearest populated place is Clarkson Addition, approximately 2.4 miles to the S.