Duncan Ridge is a ridge located in Okanogan County, Washington. It appears on the Duncan Ridge USGS 7.5-minute topographic quadrangle. The nearest populated place is Loomis, approximately 8.9 miles to the ESE.
Okanogan County · Washington
Duncan Ridge is a ridge located in Okanogan County, Washington. It appears on the Duncan Ridge USGS 7.5-minute topographic quadrangle. The nearest populated place is Loomis, approximately 8.9 miles to the ESE.