Brennan Flat is a flat located in Pennington County, South Dakota. It appears on the Brennan Flat USGS 7.5-minute topographic quadrangle. The nearest populated place is Owanka, approximately 4.2 miles to the NW.
Pennington County · South Dakota
Brennan Flat is a flat located in Pennington County, South Dakota. It appears on the Brennan Flat USGS 7.5-minute topographic quadrangle. The nearest populated place is Owanka, approximately 4.2 miles to the NW.