Best mountain peaks in Connacht are found in the western province of Ireland, characterized by a rugged and diverse landscape. The region features prominent mountain ranges such as the Twelve Bens and Maumturks, alongside significant individual peaks. These mountains offer varied terrain for outdoor activities, from challenging ascents to more accessible walks. Connacht's peaks provide extensive views across its natural scenery, including coastlines, loughs, and boglands.
Last updated: May 10, 2026
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Errisberg sits overlooking the North Atlantic with stunning, panoramic views out to sea of the Roundstone bog and Dog's Bay. Inland, well, on a good day, you can catch sight of the Twelve Bens. At only 300 metres high, Errisberg is not that high, but it’s big on attitude, and the views are simply awesome.
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A good hill to do, with beautiful views down over towards nearby Freaghillaun South and Inishbofin, which is further away in the distance. The going is quite hard with no real paths, so expect it to be boggy and rocky with ferns. However, the views are well worth it. You are best put to park at the harbour to walk this hill.
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The summit is relatively easy to climb, but don't be fooled into thinking you can find a way up from the valley floor. The path disappears as soon as you start the ascent. Good mobility is essential to get up there, as there are several small scree sections along the way. The descent, on the other hand, is disastrous. There's no path at all, and you have to traverse a very unpleasant, steep slope through moss and bushes. It's recommended to split the hike if you only want to reach the summit. Start from the car park at Lough Accorymore and don't attempt the circular route to the top. I really advise against doing the circular route; you won't enjoy the hike otherwise, but the view is still worth it. Just follow the route marked at the car park by the lake.
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Finished the tour today and discovered that there's mostly no path there. Anyone who can't navigate the difficult terrain could find themselves in trouble, especially in foggy conditions. The summit plateau has a lot of mud and swampy areas. But it's still a great tour for advanced hikers.
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We took whatever looked like a path on the way up. On the way down things got clearer and made some other choices. You can take both paths or everything in between. Very enjoyable walk up the Tully Mountain.
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A beautiful, very distinctive table mountain that dominates the landscape over a wide area.
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This is definitely a challenging trail, and should only be done with good weather and a reliable GPS device. There is mostly no trail and some scrambling to get to the top. The ascend is steep and the descend is boggy even when it hasn’t rained for a while. Due to wayfinding plan more time, we did it in five hours including breaks and photo stops.
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Beautiful mountain peak that is easy to reach. The hike goes through the land of sheep, which are really everywhere. From the top you have a great panoramic view and especially of the picturesque Dogsbay.
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Among the most popular peaks in Connacht, Diamond Hill Summit stands out for its moderate size, well-walked paths, and excellent views of the Twelve Bens. Croagh Patrick summit is also highly popular, known for its historical and religious significance, offering panoramic views of Clew Bay.
The highest mountain in Connacht is Mweelrea, located in County Mayo, standing at 814 meters. It offers challenging hikes and spectacular views over Killary Harbour, Connemara, and the Atlantic Ocean.
Yes, Croagh Patrick in County Mayo is highly significant. It has been a sacred site since 3,000 BC and is famously associated with Saint Patrick. Annually, thousands of pilgrims ascend it on 'Reek Sunday'. Another notable site is Queen Maeve's Grave (Knocknarea Cairn) near Sligo, a large burial mound with mythological connections.
Many peaks offer stunning views. Croagh Patrick summit provides magnificent panoramic views of Clew Bay. Errisbeg Summit, despite its modest height, offers sweeping views of Dog's Bay, Gorten Bay, and the Roundstone bog, with the Twelve Bens visible on clear days. Croaghaun on Achill Island is renowned for its views from Ireland's highest sea cliffs.
Yes, Diamond Hill Summit in Connemara National Park is considered family-friendly due to its moderate size and well-maintained paths. It's a popular choice for those seeking accessible walks with great views.
Connacht's mountain peaks are surrounded by diverse natural features. You can expect to see dramatic coastlines, such as those near Mweelrea and Croaghaun, which boasts Ireland's highest sea cliffs. The region also features loughs, boglands like the Roundstone bog near Errisbeg, and unique geological formations such as Benbulben's distinctive flat-topped profile.
For a challenging experience, Mweelrea, the highest peak in Connacht, offers a rewarding but demanding hike. Croagh Patrick is also considered challenging, especially its steep ascent, though stone steps have made it more manageable. Croaghaun and Slievemore Summit on Achill Island also present challenging routes.
Beyond mountain climbing, Connacht offers a variety of outdoor activities. You can find numerous hiking trails, including the Diamond Hill Loop and the Croagh Patrick Pilgrim Path. The region is also excellent for road cycling and gravel biking, with routes like the Great Western Greenway nearby.
Connacht is home to several prominent mountain ranges. The Twelve Bens (Na Beanna Beola) in Connemara, County Galway, are particularly well-known for their hiking opportunities. Other significant ranges include the Maumturks, Nephin Beg, Ox Mountains, and Dartry Mountains.
Yes, Benbulben in County Sligo is famous for its distinctive flat-topped, table-mountain shape, often referred to as 'Ireland's Table Mountain'. It's a striking natural landmark that stands out in the landscape.
Visitors frequently highlight the breathtaking panoramic views, the sense of accomplishment from challenging climbs, and the immersion in stunning natural scenery. Many appreciate the historical and spiritual significance of sites like Croagh Patrick, while others enjoy the well-walked paths and accessibility of peaks like Diamond Hill.
Achill Island is home to two notable mountain peaks: Croaghaun and Slievemore. Croaghaun is particularly famous for possessing the highest sea cliffs in Ireland, while Slievemore offers scenic views and is near the historic Deserted Village.


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