Airport information
- FAA LID
- MT36
- Coordinates
- 45.8189, -111.6959
- Elevation
- 4,155 ft MSL
- Sectional chart
- GREAT FALLS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- Segmented circle
- No
- Activated
- 2020/01
- Distance from city
- 8 SW
Weather
METAR observed
Loading current weather…
TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:58 AM | 10:58Z |
| Sunrise | 05:37 AM | 11:37Z |
| Sunset | 09:20 PM | 03:20Z |
| Evening civil twilight Loggable night begins | 09:59 PM | 03:59Z |
Plan a flight from MT36
Traffic pattern
- Landing
- Rwy 8
- Pattern
- left (turns left)
- TPA
- 5,200 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 8 at 5,200 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 8/26
1,852 ft · Turf/Dirt- Heading
- n/a
- Heading
- n/a
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 8/26 | 1,852 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HIA · Whitehall | VORTAC | 113.70 | r079° / 20 NM |
| BZN · Bozeman | VOR-DME | 112.40 | r258° / 22.7 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MT36. VFR sectional link above.
Ownership & management
Remarks FAA
- OWNER DESIRES CHARTING.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open MT36 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
About MT36
Ottertail Lake Airport (MT36) is an airport in Three Forks, MT, at 4,155 ft MSL. It has 1 runway, the longest 1,852 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MT36, refreshed from the Aviation Weather Center and FAA NASR.
Does MT36 have a control tower?
No. Ottertail Lake Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MT36?
Ottertail Lake Airport has 1 runway; the longest is 1,852 ft. See the Runways tab for headings, surface, and lighting.
Where is MT36?
Ottertail Lake Airport is in Three Forks, MT, at an elevation of 4,155 ft MSL. Coordinates: 45.8189, -111.6959.
Fly out of MT36 often?
Save MT36 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.