SMN

Lemhi County Airport

ICAO KSMN45.1222°N 113.8820°W4,044 ft / 1,233 mMedium airport
On the map

Lemhi County Airport (IATA: SMN, ICAO: KSMN) is a medium airport in Salmon, Idaho, United States. It opened in Apr 1940. It has one runway, 5,510 ft (1,679 m) long, asphalt. In 2020 it handled 373 passengers.

Timeline

1 event · 1940–1940
APR 1940
OpenedLemhi County Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap
17/35188° / 008° · LIT
LENGTH5,510 ft1,679 mWIDTH75 ft23 mSURFACEAsphalt

Passengers per year

2018–2020
441
419
373
181920

Routes

1 destinations · 1 country

Straight lines are great circles; rings mark true distance from SMN. From the Wikipedia article “Lemhi County Airport” (revision of 7 Jul 2026), CC BY-SA 4.0.

Airlines

1 airline · destinations from SMN
Passenger1
—Gem Air1

Airlines and destinations as the Routes list above has them; the figure is how many destinations each flies from SMN. Hubs from Wikidata. All airlines

Records & rankings

Ranked among 48,075 open airports · world · region · country
Passengers373 (2020)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#3,469of 3,974 · #920 North America · #674 USLongest runway5,510 ft1,679 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=5,342of 29,858 · =1,607 North America · #1,268 USElevation4,044 ft1,233 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft#3,457of 43,403 · #1,850 North America · #1,469 USAgeOpened 19402026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,114of 15,079 · =366 North America · =338 USRunways11 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=4,364of 29,978 · =2,583 North America · =2,326 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

4 channels
AWOSAWOS 3135.075
CNTRSALT LAKE CITY CNTR132.400
RDOBOISE RDO122.550
UNICCTAF/UNICOM122.800