County Donegal
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Lough Derg (Ulster)
An island pilgrimage site known as St Patrick’s Purgatory.
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Grianan of Aileach
A restored stone ring fort on a hilltop in Donegal.
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Glenveagh National Park
A castle, gardens and wild valley in the heart of Donegal.
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Errigal
Donegal’s quartzite peak with a near-perfect cone shape.
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Fanad Head Lighthouse
A lighthouse on a rocky Donegal headland between two bays.
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Slieve League
Some of the highest sea cliffs in Europe, with a walking trail along the Donegal coast.