Montague, United States
| IATA Code | SIY |
| ICAO Code | KSIY |
| Type | Small Airport |
| City | Montague |
| Country | United States |
| Region | California |
| Continent | North America |
| Latitude | 41.781399 |
| Longitude | -122.468002 |
| Elevation | 807.1 m |
| Time Zone | America/Los_Angeles |
| Local Time | — |