Pen yr Helgi Du
Pen yr Helgi Du is the 1152nd highest peak in the British Isles and the 30th tallest in Wales
Elevation
832.6 m (2732 ft)
Prominence
84.7 m (278 ft)
Survey method
Abney level/Trimble GeoXH 6000
Features
Scattered cairn on W edge of summit
Category
Hill / mountain range
Nearest town
OS map sheets
OS25: 017E (Snowdon/Yr Wyddfa and Conwy Valley/Dyffryn Conwy)OS50: 115 (Snowdon & Caernarfon)
Notes & comments
Ground 5m SE of cairn is as high; ground 25m SE at SH 69792 63025 is 0.3m lower