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Sliabh Liag Weekend

Sliabh Liag, Teelin, Co. Donegal | May 6th & 7th 2023

Sliabh Liag is Ireland’s ultimate sea cliff experience and a signature point on the Wild Atlantic Way coastal touring route. Located in the Gaeltacht region of County Donegal, Sliabh Liag are the highest accessible sea cliffs in Europe where the cliff face of Bunglas rises over 600m above the ocean below.

We have a host of events for you to choose from:

Prepare to be dazzled by the panoramic view across Donegal Bay, which is simply breathtaking. Experience the unique wonders of the natural biodiversity of marine flora and fauna found here.

Entry includes medal, buff & food in Rusty Mackerel pub.

An amazing run on Ireland’s most Iconic landscape, starting at sea level and running up the Pilgrims path to nearly 600m on the towering cliffs.

The Sliabh Liag Adventure Race is proudly supported by the Sliabh Liag Visitor Centre and The Rusty Mackerel. We are proud to be supported by Donegal Tourism, our partner across all the 2023 events.

The Sliabh Liag 25km and 50km races are part of the Ultra Trail du Mont-Blanc (UTMB) Index Race system. UTMB Index races contribute towards every Finishers UTMB Index in the corresponding category (20K, 50K, 100K or 100M) and gives privileged access to the UTMB World Series Events.

Marathon Trilogy
5km Uphill Challenge
13km Run/Hike
25km Run/Hike
A weekend of trails, nature and the craic!
We have a weekend of activities in store for you. From wild swimming at the foot of the cliffs to relaxing camping and everything in between.
3D Route Map
Spectacular scenery to say the least!
5km Uphill Challenge
Are you up for the challenge of the year? The Sliabh Liag 5km Uphill Challenge takes in 530m of elevation gain.
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2023 Events

Sliabh Liag