Ruby Valley Field
Daylight today(Jul 16, 2026, local time)
About 15h 19m 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 Ruby Valley Field
Twin Bridges Airport is a public use airport located two nautical miles (4 km) southeast of the central business district of Twin Bridges, a town in Madison County, Montana, United States. It is owned by Madison County and the Town of Twin Bridges. This airport is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.
Summary from Wikipedia licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (2)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 17 / 35 | 6,000 ft / 1,829 m | 60 ft | Asp | Lighted | Open |
| 07 / 25 | 2,866 ft / 874 m | 100 ft | Turf/dirt | Unlit | Open |
Radio frequencies (1)
| Type | Description | Frequency |
|---|---|---|
| CTAF | CTAF | 122.900 MHz |
Nearby airports
Great-circle distance and true bearing from Ruby Valley Field.
Frequently asked questions
Where is Ruby Valley Field located?
Ruby Valley Field is small airport located in Twin Bridges, United States, at an elevation of 4,777 ft (1,456 m).
How many runways does Ruby Valley Field have?
Ruby Valley Field has 2 runways, the longest being 6,000 ft / 1,829 m.
What time zone is Ruby Valley Field in?
Ruby Valley Field is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Ruby Valley Field?
The magnetic variation (declination) at Ruby Valley Field is approximately 11.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Ruby Valley Field?
The nearest airport to Ruby Valley Field is Jefferson River Airport (US-1000), about 4.7 nm to the nnw, followed by Vbob Airport and Dillon Airport.
Is the information on this page suitable for flight planning?
No. Ruby Valley Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.