Airport · Cave Junction, OR
Illinois Valley Airport (3S4)
Illinois Valley Airport (3S4) is a public-use airport in Cave Junction, OR. Official FAA data: 4,807 ft longest runway, no control tower, 1,394 ft elevation. FAA airport data effective 2026-09-03. Jetora shows private-jet empty legs and repositioning flights departing or arriving here, current weather and nearby alternatives. Car parking, lounges and FBO amenities appear only when supplied by the airport or an FBO that has claimed this page — none yet. Runway figures alone do not establish whether a particular aircraft can operate here; operators decide.
- Longest runway
- 4,807 ft
- Elevation
- 1,394 ft
- Control tower
- No
- Fuel on the field
- None reported
- Aircraft parking
- Tie-downs
- Attended
- M-F 0800-1700
- On-field services
- Flight instruction
- On FAA records since
- 1945
- Footprint
- 175 acres
- From town
- 4 mi southwest
- Rotating beacon
- White-green
- Location
- Cave Junction, OR, OR
- Codes
- 3S4 · K3S4