| Allgemeine Information | |
|---|---|
| Name | Bwlch Derwin |
| Postleitzahl | LL51 |
| Fläche | Gwynedd |
| Land | Wales |
| Name | Platz | Postleitzahl |
|---|---|---|
| Tyr Dewin, Bwlch Derwin | Bwlch Derwin | LL51 9EJ |
| Tyr y Foel, Bwlch Derwin | Bwlch Derwin | LL51 9EJ |
| Ty'r Ysgol, Bwlch Derwin | Bwlch Derwin | LL51 9EQ |
| Y Bryn, Bwlch Derwin | Bwlch Derwin | LL51 9EJ |
| Ynys Yrarch, Bwlch Derwin | Bwlch Derwin | LL51 9EQ |
| Y Nyth, Bwlch Derwin | Bwlch Derwin | LL51 9EQ |