 | Airports: Canada: Grand Valley (Madill Field) | |
| Airport name: | Grand Valley (Madill Field) |
| Airport code (ICAO): | CGV4 |
| Latitude: | 43.8621 |
| Longitude: | -80.2669 |
| Height above sea: | 1530 ft / 466 m |
| Country: | Canada - North America |
| Region: | Ontario |
| Airlines scheduled services: | no |