Geography According to the United States Census Bureau, the county has a total area of , of which (0.9%) are covered by water. The lowest point in the county is the Spokane River behind Long Lake Dam (boundary of Stevens County) at above sea level. (Virtually no change in elevation occurs between the dam and the mouth of the Little Spokane River inside Riverside State Park.) The highest point in the county is the summit of Mount Spokane at .
geography according to the united states census bureau the county has a total area of  of which (09%) are covered by water the lowest point in the county is the spokane river behind long lake dam (boundary of stevens county) at above sea level (virtually no change in elevation occurs between the dam and the mouth of the little spokane river inside riverside state park) the highest point in the county is the summit of mount spokane at 