Y
| Location | Locality | Coordinates (links to map & photo sources) |
OS grid reference |
| Y Bont-Faen (Cowbridge) | The Vale Of Glamorgan | 51°27′N 3°27′W / 51.45°N 03.45°W / 51.45; -03.45 | SS9974 |
| Y Felinheli (Port Dinorwig) | Gwynedd | 53°10′N 4°13′W / 53.17°N 04.21°W / 53.17; -04.21 | SH5267 |
| Y Fenni (Abergavenny) | Monmouthshire | 51°49′N 3°02′W / 51.82°N 03.03°W / 51.82; -03.03 | SO2914 |
| Y Ferwig | Ceredigion | 52°06′N 4°39′W / 52.10°N 04.65°W / 52.10; -04.65 | SN1849 |
| Y Fflint (Flint) | Flintshire | 53°14′N 3°08′W / 53.23°N 03.14°W / 53.23; -03.14 | SJ2472 |
| Y Ffor | Gwynedd | 52°55′N 4°23′W / 52.91°N 04.39°W / 52.91; -04.39 | SH3938 |
| y-Ffrith | Denbighshire | 53°20′N 3°26′W / 53.33°N 03.44°W / 53.33; -03.44 | SJ0483 |
| Y Gelli Gandryll | Powys | 52°04′N 3°08′W / 52.07°N 03.13°W / 52.07; -03.13 | SO2242 |
| Y Gribyn | Powys | 52°30′N 3°35′W / 52.50°N 03.59°W / 52.50; -03.59 | SN9291 |
Read more about this topic: List Of United Kingdom Locations: X-Z