Montana Creek Airport (FAA identifier 21AK) is a small, privately owned general aviation airstrip located in the Talkeetna area of Alaska, United States. It serves the rural Montana Creek community and surrounding region, providing local air access in an area where road connectivity can be limited. The airstrip is typical of many small Alaskan bush strips, primarily used by private pilots and small aircraft for personal, recreational, and utility purposes. It is not served by commercial airlines and has no scheduled passenger service.