Seven Sisters Skyline 2025
2025-09-20 06:30 - 17:00 (Europe/Dublin)
An EPIC Mountain running event in the Derryveagh Mountains in Donegal. The Seven Sisters Skyline Ireland – 55km with 4,000m ascent Is Regarded by participants as the toughest mountain running event in Ireland, and the 30k event (2022 edition) was Ireland’s first ever Mountain running World Cup event.
The event is held in Donegal, the most northerly county on the island of Ireland…. But still only 3 hours from Dublin, and 2 hours from Belfast. Donegal is a mystical, magical place, which boasts wild rugged unspoilt landscapes, and an incredible coastline with some of the most spectacular views in Europe. Donegal was voted ‘Coolest place on the planet’ by National Geographic in 2017, and for good reason….
Journeying Northwest along sleepy roads that cut and curve through the Gaeltacht, an area where the Donegal Irish dialect still flourishes, brings you to the village of Dunlewey, host of the Seven Sisters Skyline Ireland. Dunlewey is a small Gaeltacht village in the Gweedore area of Donegal, situated at the foot of Mount Errigal, which is the highest mountain in Donegal. Also known as the Derryveagh Mountains, the 7 sisters frame a valley that wouldn’t be out of place in JRR Tolkien’s “The Lord of the Rings”!!
The Derryveagh Mountains are the major mountain range in Donegal. Commonly known as the “Seven Sisters”, each of the seven mountains have their own Gaelic names of Errigal (751 m), Mackoght a.k.a. Little Errigal (555 m), Aghla More (584 m), Ardloughnabrackbaddy (603 m), Aghla Beg (564 m), Crocknalaragagh (471 m) and Muckish (666 m). What these mountains may lack in Altitude, I guarantee you they more than make up with their Attitude!

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