The reservoir is fed by the North Fork of the Solomon River
and Bow Creek. Kirwin Reservoir and National Wildlife Refuge (NWR) is the first national wildlife refuge in Kansas and was established in 1954.
Located in Phillips County this site is accessible by car, or you can make a day hike of the outing by walking through the peaceful and historical lakeside town of Kirwin. Activities include: fishing, hunting, camping, swimming. Fishing for walleye, black crappie, largemouth and smallmouth bass, wipers, channel catfish and other species is permitted year round. Hunting for waterfowl and upland game is permitted during the appropriate season.