Fall River Mills Airport (FAA LID: O89) is a public airport located off Main Street in downtown Fall River Mills, serving Shasta County, northern California, United States.

[1] It is the only airport within 75 miles (121 km) of Redding and Alturas.

The airport is equipped with runway lights which are designed to be turned on at night by the pilots as they approach.

[1] The airport was originally built in the 1940s as Tonkin Field, a location to train pilots for World War II.

[2] Over the years, the airport has been maintained and upgraded largely due to funding provided from the California Aid to Airports Program (CAAP).