Airports / California / SIY
Siskiyou County Airport.
Montague, California · 2,648 ft elevation. A private-aviation gateway on the Bravo register.
4.4/5
Google rating
8 ratings
0
Operators based
2,648
Elevation ft
Google rating
Google reviews
FBOs on field
Field elevation
Nearest alternate
Field standing
40 nm
To the nearest alternate
Crater Lake-Klamath Regional Airport (LMT), 2 fields within 50 nm.
Overview
Located in Montague, California, Siskiyou County Airport (KSIY / SIY) operates as a general aviation field. The airport sits 2,648 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into SIY for departures. When weather or ramp space demands it, nearby options are Crater Lake-Klamath Regional Airport (LMT, 40 nm), Rogue Valley International-Medford Airport (MFR, 40 nm), and Redding Municipal Airport (RDD, 77 nm). With a single 7,490-foot paved runway, SIY can typically accommodate aircraft as large as VIP airliners.
Charter pricing from SIY depends on aircraft category, positioning distance, and trip timing. Compare rated operators or run a route through the cost estimator to gauge pricing from Montague.
1 FBO serves KSIY. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Vali Aviation
Your FBO? Claim it, free- Fuel
- Hangar
- 24 hours a day, 7 days a week; Closed 1200-1300. No Weekend or Holiday Service
- Unicom 123.0
- Conference room
- Wi-Fi
- Car rental
- Restrooms
- Hangar
- Maintenance
- Parking
- Fuel
- +5 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KSIY
IATA
SIY
FAA / Local
SIY
Elevation
2,648 ft
Coordinates
41.7814° N · 122.4680° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs CA fields
state range -210–7,135 ft
At 2,648 ft, SIY sits higher than 89% of the 164 California fields on the register.
Runways & aircraft access
1 runway
longest 7,490 ft
- 17/357,490 ft × 150 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 7,490 ft
SIY's 7,490 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 40nmLMTCrater Lake-Klamath Regional AirportKlamath Falls
- 40nmMFRRogue Valley International-Medford AirportMedford
- 77nmRDDRedding Municipal AirportRedding
- 79nmCECJack Mc Namara Field AirportCrescent City
- 88nmACVCalifornia Redwood Coast-Humboldt County AirportArcata/Eureka
- 95nmEKAMurray FieldEureka
Location
Open the full mapKSIY · Siskiyou County Airport · Montague, CA
Flight times from here
Approximate nonstop block times from SIY on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| San Francisco (SFO) | 250 nm | 59m |
| Seattle (SEA) | 340 nm | 1h 11m |
| Salt Lake City (SLC) | 477 nm | 1h 31m |
| Las Vegas (LAS) | 483 nm | 1h 31m |
| Los Angeles (VNY) | 492 nm | 1h 33m |
| Jackson Hole (JAC) | 529 nm | 1h 38m |
| Scottsdale (SCF) | 700 nm | 2h 2m |
| Vail / Eagle (EGE) | 718 nm | 2h 4m |
Common questions
- What size private jets can use SIY?
- Siskiyou County Airport's longest paved runway is 7,490 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at SIY?
- Siskiyou County Airport has one runway; the longest measures 7,490 ft on a paved surface and is lit for night operations.
- Which FBOs are at Siskiyou County Airport?
- One FBO serves SIY: Vali Aviation. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to SIY?
- The closest alternate is Crater Lake-Klamath Regional Airport (LMT), about 40 nm away, followed by Rogue Valley International-Medford Airport (MFR) at 40 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from SIY to major cities?
- Typical block times on a midsize jet: San Francisco about 59m (250 nm), Seattle about 1h 11m (340 nm), Salt Lake City about 1h 31m (477 nm). Faster classes trim these times; add positioning and taxi for the real schedule.