Thompson Falls (THM)

Airport information: Thompson Falls, MT, United States. Search for another airport below.

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Location and general information

ICAO code: KTHM
FAA identifier: THM
FAA site number: 12525.*A
City / state: Thompson Falls, MT
County: Sanders
Time zone: America/Denver
Reference point: 47°34'24.59" N
115°16'50.36" W
Elevation: 2467.1 ft (estimated)
Magnetic variation: 19° E (1980)
Status: Operational
Ownership: Public, Sanders County
Use: Open to the public
Airport area: 136 acres
From downtown: 3 NM southeast
Sectional chart: Great Falls
Activated: 12/1944

Services and facilities

Control tower: No
Attendance: Unattended
Fuel: 100LL
Airframe / engine repair: None / none
Transient storage: Tie-downs
ARTCC: Seattle (ZSE)
Flight service: Great Falls (GTF)
1-800-WX-BRIEF
NOTAM facility: GTF
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: Yes
Landing fee: No
Customs: No
Airport manager: Kim Roberts
406-827-3519
Last FAA inspection: 09/11/2024

FAA remarks

Marked PWR lines 7 miles E mainland to big is.
Phone on airport.
100 ft silo in trans surface NE side of runway.
Waterfowl in the vicinity of airport.
300 ft candlestick FXD distance markers in trans surface.
SN removal intmt. Call 406-546-6384 for runway condition.
For CD contact Seattle ARTCC at 253-351-3694.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

ICAO code: KTHM
FAA identifier: THM
Location: Thompson Falls, MT, United States
Elevation: 2467.1 ft
Time zone: America/Denver
Coordinates: 47.5735, -115.28066

Runways

Runway	Size	Surface
08 / 26	4,200 × 75 ft	Asphalt, excellent

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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