Northern Ireland
Aghla Beg NW Top
564M
1850FT
About Aghla Beg NW Top
Rising within Donegal’s rugged Derryveagh Mountains, this quartzite-topped shoulder provides a quieter perspective on the Seven Sisters range. It overlooks the deep glacial trough of Lough Altan, offering an exceptional profile view of Errigal’s scree-covered slopes and the dramatic, flat-topped mass of Muckish to the northeast.
Key Statistics
Rank
32nd Highest in Region
Parent Range
Data coming soon
Prominence
?
45m
Nearest Town
County Donegal
Geology
Silurian Slates & Gritstone
Classifications
Find It
OS Grid Reference
B961252
Latitude
55.0749°N
Longitude
8.0610°W
Did You Know?
- •The name Aghla comes from the Irish An Eachla, which in the Donegal dialect refers to a ridge or a stony place. Beg (Bheag) distinguishes it as the smaller peak in the immediate area compared to its neighbour, Aghla More.
- •The summit provides a direct look down into the glacial trench of Lough Altan. From this height, you can clearly see the ruins of Altan House, a 19th-century dwelling sitting isolated on the lake's northern shore.
- •This peak is part of the Seven Sisters, a sub-range of the Derryveagh Mountains. While often bypassed in favour of the main Aghla Beg summit, it offers the better angle for photographers looking to capture the iconic cone of Errigal.
- •The mountain is composed largely of Dalradian quartzite, which gives the slopes their distinctive white, shimmering appearance but makes for notoriously unstable scree underfoot.
- •The 'top' designation might suggest a minor bump, but the steep, trackless ascent through Donegal bog and shattered rock quickly corrects any notion that this is a casual afternoon stroll.
