| Identifier: | ALDER |
| NAS ID: | ALDER |
| Name: | ALDER |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WASHINGTON |
| ICAO Region: | K1 |
| Latitude: | 46-49-17.620N (46.821600) |
| Longitude: | 122-24-51.190W (-122.414200) |
| Magnetic Variance: | 14.9 E as of 9/30/2025 |
| High ARTCC Area: | ZSE |
| Low ARTCC Area: | ZSE |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER HIGH |
| CONTROLLER LOW |
| ENROUTE HIGH |
| ENROUTE LOW |
| IAP |
| MILITARY IAP |
| MILITARY SID |
| MILITARY STAR |
| SID |
| STAR |