Grant County International Airport (IATA: MWH, ICAO: KMWH, FAA LID: MWH) is a public use airport in the northwest United States, located six miles (10 km) northwest of the central business district of Moses Lake in Grant County, Washington. Formerly a military facility, the airport is owned by the Port of Moses Lake, and its 13,500-foot (4,110 m) runway is the 17th longest in the U.S.