Ottertail Lake Private
MT36 · Three Forks, MT · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 08:02 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:39 AM | 12:39Z |
| Sunrise | 07:09 AM | 13:09Z |
| Sunset | 07:32 PM | 01:32Z |
| Evening civil twilight Loggable night begins | 08:02 PM | 02:02Z |
Plan a flight from MT36
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 26RIGHT trafficRP · charted
- Heading
- 260° true
- Dimensions
- 1,852 × 30 ft
- TPA
- 5,200 ft MSL (≈1,000 AGL) · standard
- Surface
- TURF-DIRT
Enter the right downwind (heading 080°) on the 45° at 5,200 ft MSL (≈1,000 AGL).
More details — RWY 26
- Threshold elev
- 4,155 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 08/26 | 1,852 ft |
Prefer one flat page? Full runway details for MT36 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the MT36 kneeboard →
Comms & NavAids
Nearby navigation aids
HIA 113.70 · BZN 112.40
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| HIA · Whitehall | VOR/DME | 113.70 · 84X | High | r079° / 20 NM |
| BZN · Bozeman | VOR/DME | 112.40 · 71X | High | r258° / 22.7 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for MT36 — open it on the VFR sectional →
Airport info
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 · 122.3 · 1-800-WX-BRIEF
- Segmented circle
- No
- Activated
- 2020/01
- Distance from city
- 8 SW
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- OWNER DESIRES CHARTING.
Nearby airports
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Also nearby: 9S5 Three Forks (6 NM) · 2MT8 South Boulder (private) (10 NM) · MT41 Jefco Skypark (private) (18 NM) · MT34 Ponderosa (private) (21 NM) · 05MT Jones Landing (private) (23 NM)
About MT36
Ottertail Lake (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 is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at MT36?
Ottertail Lake has 1 runway; the longest is 1,852 ft. See the Runways section for headings, surface, and lighting.
Where is MT36?
Ottertail Lake is in Three Forks, MT, at an elevation of 4,155 ft MSL. Coordinates: 45.8189, -111.6959.
More about MT36
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.
Something here wrong or out of date? Report a data problem.