Lemhi County Airport
Daylight today(Jul 16, 2026, local time)
About 15h 16m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Lemhi County Airport
Lemhi County Airport is a public airport located four miles (6 km) south of the central business district (CBD) of Salmon, a city in Lemhi County, Idaho, USA. The airport covers 259 acres (105 ha) and has one runway.
Summary from Wikipedia licensed under CC BY-SA.
Live weather
KSMNLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 17 / 35 | 5,510 ft / 1,679 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| AWOS | AWOS 3 | 135.075 MHz |
| CNTR | SALT LAKE CITY CNTR | 132.400 MHz |
| RDO | BOISE RDO | 122.550 MHz |
| UNIC | CTAF/UNICOM | 122.800 MHz |
Services & operations
Lemhi County Airport features a 5,510 x 75′ paved airstrip with 24-hour self-service fuel.
From the airport’s official website — details may change, so confirm with the airport. Official site
Instrument procedures & charts
Instrument approaches (3)
Departure procedures (SIDs) (2)
Takeoff & alternate minimums (1)
Charts published by the FAA (public domain) and updated each 28-day cycle. Always fly the current, official chart. Full charts page.
Nearby airports
Great-circle distance and true bearing from Lemhi County Airport.
Frequently asked questions
What is the ICAO code for Lemhi County Airport?
The ICAO code for Lemhi County Airport is KSMN, and its IATA code is SMN.
Where is Lemhi County Airport located?
Lemhi County Airport is medium airport located in Salmon, United States, at an elevation of 4,043 ft (1,232 m).
How many runways does Lemhi County Airport have?
Lemhi County Airport has 1 runway, the longest being 5,510 ft / 1,679 m.
What time zone is Lemhi County Airport in?
Lemhi County Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Lemhi County Airport?
The magnetic variation (declination) at Lemhi County Airport is approximately 12.2° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Lemhi County Airport?
The nearest airport to Lemhi County Airport is 40 Acre Airstrip (US-1217), about 4 nm to the ene, followed by Flying Coyote Ranch Airport and Lindberg Private Airport.
Is the information on this page suitable for flight planning?
No. Lemhi County Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.