Grasmere Airport

Grasmere Airport is an airport located in Grasmere Idaho, US. The ICAO code is KU91, used by air traffic control and pilots for flight planning.

The airport operates in the America/Los_Angeles timezone. When planning flights to or from KU91, use our flight duration calculator to account for timezone differences, especially for international travel.

Grasmere Airport sits at an elevation of 5,144 feet (1,568 meters) above sea level.

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