The 7 Sisters Skyline Festival is Donegal’s premier mountain running event, set in the rugged and breathtaking Derryveagh Mountains. This thrilling festival challenges runners to conquer the iconic Seven Sisters—a demanding yet awe-inspiring route across some of Ireland’s most dramatic peaks, including Muckish, Aghla Beg, Aghla More, and Errigal.

Skyline Races – Test your endurance with some of Ireland’s toughest mountain running courses, from challenging sky races to more accessible trail runs.

Wild & Remote Terrain – Experience the raw beauty of Donegal’s highlands, with panoramic views stretching over Glenveagh National Park, the Wild Atlantic Way, and beyond.

Festival Atmosphere – Enjoy a weekend of adventure with live music, outdoor workshops, and local hospitality in the heart of Donegal’s Gaeltacht region.

Whether you’re an elite mountain runner or a passionate outdoor enthusiast, the 7 Sisters Skyline Festival offers an unforgettable experience, pushing limits while soaking in some of Ireland’s most spectacular landscapes.