Mynydd Ceiswyn is a mountain in Wales. It is the peak south of Waun-oer in the Dyfi Hills. On the east side of the mountain is the valley of the Nant Ceiswyn, and Cwm Hengae lies to the south.

Mynydd Ceiswyn
The ridge of Mynydd Ceiswyn, looking towards Waen-oer
Highest point
Elevation	595.9 m (1,955 ft)[1]
Coordinates	52.70890045°N 3.81845291°W / 52.70890045; -3.81845291
Naming
Language of name	Welsh
Geography
Location	Snowdonia, Wales
Parent range	Cadair Idris
OS grid	SH 7724 1390
Topo map	OS Explorer OL23

Two minor dip faults cross the mountain,[2] and the Ceiswyn Formation is named after this mountain.[3]

References