Illinois Valley (3S4)

Airport information: Cave Junction, OR, United States. Search for another airport below.

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Location and general information

FAA identifier: 3S4
FAA site number: 19381.*A
City / state: Cave Junction, OR
County: Josephine
Reference point: 42°06'12.96" N
123°40'56.70" W
Elevation: 1,394 ft (estimated)
Magnetic variation: 18° E (1985)
Status: Operational
Ownership: Public, Josephine County Airports
Use: Open to the public
Airport area: 175 acres
From downtown: 4 NM southwest
Sectional chart: Klamath Falls
Activated: 09/1945

Services and facilities

Control tower: No
Attendance: All months, m-f, 0800-1700
Airframe / engine repair: None / none
Transient storage: Tie-downs
Other services: Flight instruction
ARTCC: Seattle (ZSE)
Flight service: Mc Minnville (MMV)
1-800-WX-BRIEF
NOTAM facility: MMV
Wind indicator: Lighted
Beacon: White and green, sunset to sunrise
Segmented circle: Yes
Landing fee: No
Customs: No
Airport manager: Michael Crisafulli
541-955-4535
Last FAA inspection: 09/10/2024

FAA remarks

(E94) usfs weather STN.
Runway 36 designated calm wind runway.
Frequent ultra-light activity.
Runway has basic markings with side stripes.
For CD contact Seattle ARTCC at 253-351-3694.
4 ft brush in pri surface area.

Source: FAA Airport Data and Information Portal (ADIP), effective October 29, 2026. View this airport on the FAA site

Airport facts

FAA identifier: 3S4
Location: Cave Junction, OR, United States
Elevation: 1,394 ft
Coordinates: 42.1036, -123.68242

Runways

Runway	Size	Surface
18 / 36	4,807 × 60 ft	Asphalt, good

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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