| Identifier: | GREHG |
| NAS ID: | GREHG |
| Name: | GREHG |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | HAWAII |
| ICAO Region: | PH |
| Latitude: | 20-36-26.040N (20.607200) |
| Longitude: | 156-30-28.650W (-156.508000) |
| Magnetic Variance: | 9.3 E as of 9/30/2025 |
| High ARTCC Area: | ZHN |
| Low ARTCC Area: | ZHN |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER LOW |
| ENROUTE LOW |
| STAR |