Pierce County Airport,, also known as Thun Field, is a county-owned public-use airport located 5 nautical miles south of the central business district of Puyallup, Washington, a city in Pierce County, Washington, United States. It is located in the CDP South Hill, Washington. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2019–2023, in which it is categorized as a local general aviation facility. There is no commercial airline at this airport; the closest airport with commercial airline service is Seattle–Tacoma International Airport, about 24 miles (39 km) to the north.