Lost Nation Airport is a public use airport in Lake County, Ohio, United States. Located approximately 3mi north-northeast of the central business district of the City of Willoughby, it was owned and operated by that city until October 8, 2014, when it was transferred to Lake County and the Lake County Port and Economic Development Authority.This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation reliever airport for Cleveland Hopkins International Airport.Facilities and aircraftLost Nation Airport covers an area of 400 acres (162 ha) at an elevation of 626 feet (191 m) above mean sea level. It has two runways with asphalt surfaces: 5/23 is 5,028 by 100 feet (1,533 x 30 m) and 10/28 is 4,272 by 100 feet (1,302 x 30 m).For the 12-month period ending July 28, 2011, the airport had 45,085 aircraft operations, an average of 123 per day: 97% general aviation, 3% air taxi, and <1% military. At that time there were 73 aircraft based at this airport: 80% single-engine, 19% multi-engine, and 1% jet.