Fall River Mills is an unincorporated town and census-designated place (CDP) in Shasta County, California, United States. The population was 648 at the 2000 census. Fall River Mills is known for its agriculture and its recreation. Being home to the production of cattle, wild rice, garlic, mint, hay, lavender and alfalfa. Recreation includes a Clark Glasson designed and built golf course, fly fishing, hunting including big game and waterfowl, white water rafting, artists galleries, equestrian and rodeo events. Fall River Mills has the only airport within 75 miles of Redding, California and Alturas, California. It was used as a pilot training base during World War II, but in 2007 it was expanded with larger/longer runways with new hangers and a new fueling area/system. There are rumors that Fall River Mills and nearby McArthur would merge and incorporate into one city, they would most likely incorporate with 2,295 people.