Guide to Wales's hills & mountains

Pen Twyn Glas

Pen Twyn Glas - Powys

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Pen Twyn Glas is the 3102nd highest peak in the British Isles and the 166th tallest in Wales

Elevation

646.0 m (2119 ft)

Prominence

21.0 m (69 ft)

Survey method

Obvious summit

Features

Small cairn

Category

Hill / mountain range

Black Mountains

Nearest town

Talgarth, Powys