Klamath Basin National Wildlife Refuge Complex

The Klamath Basin National Wildlife Refuge Complex is a wildlife preserve operated by the United States Fish and Wildlife Service in the Klamath Basin of southern Oregon and northern California near Klamath Falls, Oregon. It consists of Bear Valley, Klamath Marsh and Upper Klamath National Wildlife Refuge (NWR) in southern Oregon and Lower Klamath, Tule Lake, and Clear Lake NWR in northern California.Lower Klamath NWR, established in 1908, was the first waterfowl refuge in the United States. Consisting of 46,900 acre (190 km2), it includes shallow freshwater marshes, open water, grassy uplands, and croplands that are intensively managed to provide feeding, resting, nesting, and brood rearing habitat for waterfowl and other water birds.Clear Lake NWR, established in 1911, has an area of 46460acres. About 20000acres is open water. The balance is the surrounding upland habitat of bunchgrass, low sagebrush, and juniper.Upper Klamath NWR, established in 1928, is composed of 15000acres of mostly freshwater marsh and open water.