Lake County Airport, also known as Leadville Airport, is a county-owned public-use airport located two nautical miles southwest of the central business district of Leadville, a city in Lake County, Colorado, United States. According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a general aviation airport. At an elevation of 9,934 ft above mean sea level the airport claims the distinction of being North America's highest.