Siskiyou County Airport
Daylight today(Sep 1, 2026, local time)
About 13h 8m 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 Siskiyou County Airport
Siskiyou County Airport is a public airport located three miles (4.8 km) northeast of Montague, serving Siskiyou County, California, United States. It has one runway and is mostly used for general aviation.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KSIYNOTAMs
KSIYReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 17 / 35 | 7,490 ft / 2,283 m | 150 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| ASOS | ASOS | 121.125 MHz |
| CNTR | SEATTLE CNTR | 124.850 MHz |
| RDO | RANCHO RDO | 122.400 MHz |
| UNIC | CTAF/UNICOM | 123.000 MHz |
Instrument procedures & charts
Instrument approaches (1)
Takeoff & alternate minimums (1)
Showing 2 of 2 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Nearby airports
Great-circle distance and true bearing from Siskiyou County Airport.
Frequently asked questions
What is the ICAO code for Siskiyou County Airport?
The ICAO code for Siskiyou County Airport is KSIY, and its IATA code is SIY.
Where is Siskiyou County Airport located?
Siskiyou County Airport is small airport located in Montague, United States, at an elevation of 2,648 ft (807 m).
How many runways does Siskiyou County Airport have?
Siskiyou County Airport has 1 runway, the longest being 7,490 ft / 2,283 m.
What time zone is Siskiyou County Airport in?
Siskiyou County Airport is in the America/Los Angeles time zone (UTC-07:00).
What is the magnetic variation at Siskiyou County Airport?
The magnetic variation (declination) at Siskiyou County Airport is approximately 13.7° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Siskiyou County Airport?
The nearest airport to Siskiyou County Airport is Montague-Yreka Rohrer Field (ROF), about 4.6 nm to the sw, followed by Leese Airport and Avery Ranch Airstrip.
Is the information on this page suitable for flight planning?
No. Siskiyou County Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.