Pen Twyn Mawr

Pen Twyn Mawr is a summit in the Black Mountains of Wales reaching 658 meters in elevation. The peak features heather-covered slopes and is marked by a stone cairn at its top.

The summit forms part of the Nuttalls list, which documents all hills in the United Kingdom exceeding 600 meters in height. This classification has helped shape how people explore and understand the upland regions of Britain.

The Welsh name Pen Twyn Mawr means Head of the Great Hill, reflecting traditional local naming patterns that describe prominent landscape features. For walkers exploring this region, the name serves as a navigational reference point passed down through generations.

Several walking paths connect this summit to neighboring peaks such as Pen y Gadair Fawr and Chwarel y Fan along established trails. The routes are well-marked and allow you to combine visits with other peaks in the range.

This peak serves as a secondary summit relative to Waun Fach, positioned about 15 meters northeast of a prominent stone marker. This geographic relationship makes it an interesting intermediate point for experienced hill walkers combining multiple peaks.

Location: Powys

Elevation above the sea: 658 m

GPS coordinates: 51.93384,-3.10354

Latest update: December 14, 2025 20:01