Located about 11 miles southeast of Colville on the Little Pend Oreille National Wildlife Refuge at 2300 feet elevation. This lake opens the 4th Saturday in April and runs through October 31st. Fly-fishing only and catch-and-release are the rules here, and motorized boats are prohibited. McDowell was rehabilitated in the fall of 2006 to eliminate tench, an undesirable exotic species. Large rainbow provide good angling in the spring and again in the fall when water temperatures are cool.