Pen yr Allt Uchaf

Pen yr Allt Uchaf is a mountain summit in Gwynedd that rises to about 620 meters and features a flat peak area marked by stones and fence posts. From the top, you can see across the Cwm Cywarch valley and the surrounding Welsh hills.

The summit received its Welsh name meaning 'top of the highest slope' during the historical mapping of peaks in Snowdonia. Its classification within British mountain systems reflects the ongoing documentation and surveying of hills in the region.

The summit attracts local walkers and visitors who use it as a landmark in the Cwm Cywarch valley area. Its Welsh name reflects the region's language and heritage embedded in the landscape.

You can reach the summit using established paths from nearby parking areas, with access typically available in dry conditions. Good footwear and a map or GPS device help with navigation in this exposed upland terrain.

Mountaineers and surveyors use this summit to gather elevation data for British hill classification systems like the Hewitt and Nuttall lists. The cairn and marker posts serve as important reference points for these recording efforts.

Location: Gwynedd

Elevation above the sea: 620 m

GPS coordinates: 52.76272,-3.67467

Latest update: December 14, 2025 20:03