Alsek River Airport (FAA LID: A57) is a public-use airport located 44 nautical miles (81 km) southeast of the central business district of Yakutat, a city and borough in the U.S. state of Alaska. It is owned by the USFS Tongass National Forest. As per Federal Aviation Administration records, the airport had 507 passenger boardings (enplanements) in calendar year 2008.