Located just west of Winthrop, Patterson provides a diverse fishery during most of the year. There is a WDFW access site with gravel boat launch in addition to a private resort with cabins and small boat rentals. Expect to catch kokanee in the 10-11 inch range and yellow perch in the 6-8 inch range. Both largemouth and smallmouth bass inhabit the lake and are best caught during early morning or late in the evening.