Key facts
Cefn y Cylchau (550m) is in Wales, in the Brecon Beacons.
- Region
- Wales
- Mountain range
- Brecon Beacons
- Prominence
- 38m
- Nearest higher peak
- Foel Fraith · 613m, 1.4km
- Lakes nearby
- Llyn y Fan Fach (4.6km), Brynhenllys Fishery (6.9km), Llyn y Fan Fawr (7.4km)
- Parking
- 1.9km
- Nearest village
- Gwynfe · 4.4km

