| Mynydd Perfedd | |
| Elevation M: | 813 |
| Prominence M: | 20 |
| Listing: | sub Hewitt, Nuttall |
| Language: | Welsh |
| Location: | Gwynedd, Wales |
| Range: | Glyderau |
| Coordinates: | 53.1366°N -4.0579°W |
| Grid Ref Uk: | SH623619 |
| Topo: | OS Landranger 115, OS Outdoor Leisure 17 |
| Easiest Route: | Walk |
Mynydd Perfedd is a mountain in Snowdonia, Wales, forming part of the Glyderau. The summit has a shelter cairn, offering good views of Foel-goch's north-eastern face, and the Carneddau.[1]
Between it and Carnedd y Filiast, there are dramatic cliffs to the east, including the famous Llechen Cytrolar. To the south lies the parent peak Elidir Fawr, to the west Carnedd y Filiast and to the east Foel-goch and Y Garn. It is 812m (2,664feet) high. The average annual temperature of the mountain is about 6 Celsius.[2]