Boundary Substation Heliport, United States
| Key Facts | |
|---|---|
| Municipality | Metaline Falls |
| Airport Name | Boundary Substation Heliport |
| ICAO Code | 5WA4 |
| Country | United States |
| Location | Lat: 48.981300354004 Lon: -117.3570022583 |
| Elevation | 2511ft AMSL |