Post Office Lake is a lake located in Clark County, Washington. It appears on the Sauvie Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Knapp, approximately 1.2 miles to the ESE.
Clark County · Washington
Post Office Lake is a lake located in Clark County, Washington. It appears on the Sauvie Island USGS 7.5-minute topographic quadrangle. The nearest populated place is Knapp, approximately 1.2 miles to the ESE.