3ID9
West Mountain Airport
West Mountain Airport (FAA: 3ID9) is a small airport in Cascade, Idaho, United States. It opened in Apr 2026. It has one runway, 2,400 ft (732 m) long, grass.
Timeline
1 event · 2026–2026APR 2026
OpenedWest Mountain Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026
Runways & airfield
Schematic · N14/32
LENGTH2,400 ft732 mWIDTH45 ft14 mSURFACEGrass
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record