Pen Allt-mawr
| Articul per Ladin Gherdëina | 
|
| Pen Allt-mawr | |
|---|---|
 | |
| Piza | |
| Autëza | 720 m |
| Prominënza | 103,5 m |
| Geografia | |
| Stat | Riam Unì |
| Raion | Powys |
| Grupa de crëps | Black Mountain (range) |
| Coordinedes | 51°54'42"N, 3°9'16"W |
  Pen Allt-mawr Pen Allt-mawr (Riam Unì) | |
L Pen Allt-mawr ie n crëp tl Riam Unì. L toca pra la ciadëina de crëps Black Mountain y à na autëza de 720 metri.