Guide to Wales's hills & mountains

Mynydd Ceiswyn

Mynydd Ceiswyn - Gwynedd

© Ian Medcalf and licensed for reuse under this Creative Commons Licence

Mynydd Ceiswyn is the 3726th highest peak in the British Isles and the 226th tallest in Wales


605.0 m (1985 ft)


27.4 m (90 ft)

Survey method

Leica NA730


Southerly of two small knolls 5m apart


  • Subsimm
  • Subdewey

Hill / mountain range

Cadair Idris

Nearest town

Dolgellau, Gwynedd

Notes & comments

Demoted to Subdewey following line survey. See Database Notes