Guide to Wales's hills & mountains

Pen Twyn Mawr

Pen Twyn Mawr - Powys

© James Ayres and licensed for reuse under this Creative Commons Licence

Pen Twyn Mawr is the 2938th highest peak in the British Isles and the 154th tallest in Wales

Elevation

658.0 m (2159 ft)

Prominence

17.0 m (56 ft)

Survey method

Abney level

Features

No feature 15m NE of cairn

Category

Hill / mountain range

Black Mountains

Nearest town

Hay-on-Wye/Y Gelli Gandryll, Powys