Butte Valley National Grassland is a 18,425-acre (7,456 ha) United States National Grassland located in northern California. Administered by the United States Forest Service, it is located in northern Siskiyou County, near the Oregon border, between the communities of Dorris and Macdoel along U.S. Highway 97. It was dedicated in July 1991 as the nation's 20th National Grassland. It is administered as part of the Klamath National Forest, and is the sole National Grassland in California and in Region 5 (Pacific Southwest) of the Forest Service.