Donegal Castle – The Diamond, Donegal Town loop from Donegal

Road cycling routes

Ireland

Donegal

Donegal Castle – The Diamond, Donegal Town loop from Donegal

Hard

3.0

(1)

riders

Donegal Castle – The Diamond, Donegal Town loop from Donegal

04:56

101km

1,240m

Road cycling

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Waypoints

Start point

Bus stop

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97 m

Donegal Castle

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Donegal Castle is the heart of the town of the same name in Northern Ireland. For many centuries, the striking building has had a significant impact on the cityscape and …

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35.7 km

Stunning views

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Fantastic views south looking out to Donegal Bay.

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41.7 km

View of Muckross Head

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It is indeed really nice to ride. And... there is no traffic here.

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64.6 km

A deep, V-shaped valley stretching between Ardara and Glencolumbkille, carved by ancient glaciers and surrounded by steep, green-grass slopes. The road winds down in wide hairpin bends, offering ever-new views …

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64.9 km

View of Glengesh Valley

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71.9 km

Ardara

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Ardara or in Irish "Ard an Rátha" means "Height of the Fort" and is pronounced "Ardra". Ardara is a vibrant and busy town, very popular with holidaymakers, with many festivals and events taking place every year.

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101 km

Donegal

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Donegal (Dún na nGall) lies in the very south of the county, between Donegal Bay and the Blue Stack Mountains. It's the biggest town around, with plenty of pubs, hotels …

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