Key facts
Pen Allt-mawr (720m) is in Wales, in the Black Mountain.
- Region
- Wales
- Mountain range
- Black Mountain
- Prominence
- 104m
- Nearest higher peak
- Pen y Gadair Fawr · 800m, 5km
- Nearest hut
- Grwyne Fawr · 7.2km
- Nearest village
- Cwmdu · 2.7km
Pen Allt-mawr (720m) is in Wales, in the Black Mountain.