Crescent Lake State Airport (FAA LID: 5S2) is a public airport located two miles (3.2 km) north of Crescent Lake in Klamath County, Oregon, United States. On-airport camping is allowed, and boat rentals are available nearby. The airport is closed from November 1 through May 1 due to snow.

• FAA Form 5010 for Crescent Lake State Airport Archived 2008-02-29 at the Wayback Machine
• Oregon Department of Aviation page regarding Crescent Lake State Airport^{[permanent dead link‍]}
• Resources for this airport:
  • FAA airport information for 5S2
  • AirNav airport information for 5S2
  • FlightAware airport information and live flight tracker
  • SkyVector aeronautical chart for 5S2