Dun Aonghasa, Inishmore

4.8
#1 of 13 in Things to do in Inishmore
Perched atop a cliff, Dun Aonghasa represents the most popular of the prehistoric forts on the Aran Islands. Walk from the nearby museum up to the fort and enjoy panoramic views from the 100 m (328 ft) cliff. Marvel at the three terraced walls and intricate defense system of stones called Chevaux de Frise. Archeological studies have revealed that the fort was built in the Iron Age, possibly as far back as 1100 BCE, though the triple-wall defenses were likely added around 500 BCE. The fort is named for a pre-Christian god or mythical king, Aonghus mac Umhor. Explore the history of this ancient monument, but take care when walking and climbing around the site, especially with children, as it can be slippery. For Dun Aonghasa and beyond, use our Inishmore itinerary builder app to get the most from your Inishmore vacation.
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Dun Aonghasa Reviews
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  • Must place to visit while on holiday in Ireland. The site is located in a breathtaking location, right off the cliff. The sound of the sea breaking on the cliffs below is powerful. The landscape is bare but pure in its essentiality.
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  • I very much enjoyed the hike up to Dun Aonghasa and the views looking out over the ocean. A bit nervous about the heights, I was quickly appeased at the sight of a park ranger (?) who kindly chatted w...  more »
  • Dun Aenghus is a wonderful place. I've been a couple if times now and just cannot over emphasise here in words how awesomely majestic it is. It is an amazing place, easily reachable from Kilronan if y...  more »
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  • I was here for the 2nd time. The view is phenomenal. Always inspiring. It requires a bit of a walk up hill on stones. Not for the frail.
  • Amazing spot, very special. Ancient ruins on a clifftop with views onto the Irish coastline. And all on the beautiful island of inishmore. Recommend a few nights here
  • Extremely impressive. Skip the midday trippers, head up around 4pm after they caught the ferry back to the mainland and have the place to yourself. gorgeous view, highlight of the Aran Islands.
  • Bronze Age fortress located on the largest Aran Island, Inish Mor. For the most dramatic views, lay down and look over the edge, but be careful of wind gusts. Breathtaking.
  • Amazing cliffs here. You have to walk the last 20 mins but what a view when you arrive at the top. Fabulous sheer drops to the sea below. Be careful!!

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Where to stay in Inishmore

Take your time soaking in the beauty of the largest of the Aran Islands, Inishmore, while staying at one of its beautiful bed and breakfasts or renting a guesthouse. Accommodations range from private homes overlooking their own beaches and stone mansions, to basic rentals and quaint bed and breakfast spots. Many options are located in the town of Kilronan, but you can choose the island spot that best fits your needs (either seaside to close to ruins).
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