| Crib-y-rhiw | |
| Elevation M: | 679 |
| Prominence M: | 27 |
| Parent Peak: | Y Llethr |
| Listing: | Nuttall |
| Translation: | ridge of the slope |
| Language: | Welsh |
| Location: | Gwynedd, Wales |
| Range: | Rhinogydd |
| Coordinates: | 52.813°N -3.986°W |
| Grid Ref Uk: | SH661258 |
| Topo: | OS Landranger 124 |
Crib-y-rhiw is a top of Y Llethr and a ridge in the Rhinogydd of Snowdonia, north Wales. The summit straddles a thin ridge connecting Y Llethr to Diffwys.[1]