Illinois Valley Airport
3S4 · Cave Junction, Oregon · Josephine County · map
Illinois Valley Airport is a public-use airport owned by Josephine County Airports, 4 miles southwest of Cave Junction, Oregon, 1,394 feet above sea level. Its one runway, 18/36, is 4,807 feet of asphalt.
The airport
- Codes
- FAA 3S4
- Kind
- Airport · open to the public · publicly owned
- Owner
- Josephine County Airports
- Elevation
- 1,394 feet above sea level
- Control tower
- No control tower
- Attended
- M to F, 8:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Klamath Falls sectional
- Magnetic variation
- 18E
- In the FAA's files since
- September 1945
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 18/36 | 4,807 × 60 ft | Asphalt, good | Medium-intensity lights |
- Runway 18: PAPI, two lights on the left, threshold displaced 125 ft, 4,682 ft available for landing, road 15 ft high 260 ft from the end
- Runway 36: PAPI, two lights on the left, 4,682 ft available for landing, trees 54 ft high 928 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Cave Junction from the FAA register
12 aircraft are registered to owners in Cave Junction, Oregon: 9 piston singles, 2 gyroplanes, 1 business jet. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Oregon.
Accidents and incidents at or near this airport NTSB records · 5 since 1982, 3 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Estabd prior to 1959.
- (E94) usfs weather stn.
- Activate runway end identifier lights 18 and 36; medium-intensity runway lights runway 18/36 - the common traffic frequency.
- Medium-intensity runway lights set 1 feet off runway edge
- Runway 18 14:1 based on dthr. Runway 18 15 feet road at 330 feet on CL 22:1 based on dthr
- Runway 36 designated calm wind runway.
- Frequent ULTRA-LIGHT activity.
- Runway has basic markings with side stripes
- 4 feet brush in pri surface area.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.