Wales
Bryn Du
555M
1821FT
About Bryn Du
A steep, rocky shoulder on the western side of Pen yr Helgi Du in Eryri (Snowdonia). It sits directly above the Ffynnon Llugwy reservoir, offering a clear view across the Ogwen Valley toward Tryfan and the Glyderau.
Key Statistics
Rank
41st Highest in Wales
Parent Range
Cambrian Mountains
Prominence
?
31m
Nearest Town
Powys
Geology
The ground beneath your boots is made of layered mudstone. These fine-grained rocks were formed from ancient silt that settled deep on the ocean floor.
Classifications
Find It
Latitude
52.1983°N
Longitude
3.7001°W
Did You Know?
- •The name is Welsh for 'Black Hill' (Bryn meaning hill, Du meaning black), likely referring to the dark, weathered rock faces of the surrounding peaks that cast deep shadows over this shoulder.
- •This hill sits within the Carneddau range of Eryri (Snowdonia), an area home to some of the highest mountains in Wales and a wild population of Neolithic-descended ponies.
- •The summit serves as a dramatic vantage point overlooking the Ffynnon Llugwy reservoir, a high-altitude lake that feeds the water supply for the Conwy Valley.
- •Located on the steep approach to Pen yr Helgi Du, this peak marks the transition from the lower valley slopes to the high, narrow ridges that define the northern heart of the national park.