Lower Sinlahekin Impoundment is a reservoir located in Okanogan County, Washington. It appears on the Blue Goat Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Loomis, approximately 5.2 miles to the NNE.
Okanogan County · Washington
Lower Sinlahekin Impoundment is a reservoir located in Okanogan County, Washington. It appears on the Blue Goat Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Loomis, approximately 5.2 miles to the NNE.