49IL
Walnut Creek Airport
Walnut Creek Airport (49IL) is a general-aviation airfield serving Somonauk, Illinois. The field lies at 666 ft (203 m) above sea level and has a single runway of 2,200 ft (671 m), grass and lit. Its nearest neighbour is Johnson Airport (IS94), 2 nm ENE.
Walnut Creek Airport is a smaller field, so Alārium does not attribute movements to it directly — but aircraft flying near it appear on the live map like any other, at their real altitude and on their real track.
Location
- Elevation
- 666 ft (203 m)
- Coordinates
- 41.5933, -88.6917
- Serving
- Somonauk
- Region
- Illinois
- Time zone
- America/Chicago
Runways1 · longest 2,200 ft
The diagram is drawn from published threshold coordinates, so each runway sits where it actually sits — true bearings, true separations, true lengths. Runway widths are exaggerated against length, which at true proportion would draw a hairline. It is a diagram, not a chart to navigate by.
| Runway | Length | Width | Surface | Lighting |
|---|---|---|---|---|
| 09/27 | 2,200 ft671 m | 100 ft | Grass | Lit |
Nearby airfields
Runway and field data from the OurAirports public-domain dataset. Positions are ADS-B, which covers most but not all aircraft.