Ennis Big Sky (KEKS)
Non-towered public-use airport serving Ennis, Montana, at 5,433 ft elevation.
Elevation5,433 ft
ControlNon-towered
Longest runway7,600 ft
Magnetic variation12° E
High elevation. At 5,433 ft, density altitude on a warm day can be thousands of feet higher. Check performance with the density altitude calculator.
On the field: flight training, aircraft rental, charter (as listed in FAA data). Find flight schools in Montana.
Live weather
Forecast (TAF)
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Frequencies
| AWOS/ASOS | 119.85 |
|---|---|
| CTAF | 122.8 |
| UNICOM | 122.8 |
| Approach/Departure | 118.975 Big Sky |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 16/34 | 7,600 × 100 ft | Asphalt | Medium intensity |
Fuel: 100LL, A1, A1+. Sectional: Great Falls.
Nearby airports
KRVFRuby Valley Field32 NM NW9S5Three Forks36 NM NKBZNBozeman Yellowstone International37 NM NEKDLNDillon38 NM W29SGardiner41 NM EKWYSYellowstone42 NM SE
Before you fly here
- Read the FAA Chart Supplement entry for EKS: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around KEKS for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 2015. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.