4.5
(112)
548
hikers
12
hikes
Family friendly hiking trails around Doo Lough are set within a dramatic glacial valley in County Mayo, Ireland. The region is characterized by the tranquil waters of Doo Lough, flanked by the Mweelrea Mountains and the rugged Sheeffry Hills. This landscape offers a mix of lakeside paths, lush green valleys, and more challenging mountain terrain, including Ireland's only fjord, Killary Fjord.
Last updated: July 13, 2026
4.3
(3)
20
hikers
13.4km
05:40
790m
790m
Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
4.6
(5)
15
hikers
2.43km
00:40
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(1)
23
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.8
(4)
18
hikers
28.9km
07:54
360m
360m
Hard hike. Very good fitness required. Mostly accessible paths. Sure-footedness required.
9
hikers
12.2km
03:20
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Cycling through the Doolough Pass feels like a journey through time. The road cuts through a deep glacial valley, where the imposing peaks of Mayo are reflected in the smooth, dark water of the lake. It is a place of raw beauty and deep silence, marked by a poignant monument to the region's history. An absolute highlight where the grandeur of nature makes you feel very small for a moment.
5
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While the sheep graze on the surrounding hillsides, you stand here on the threshold of Killary Fjord. From the quay, you have a wonderful widescreen perspective of where the salt water cuts deep into the land, flanked by the impressive peaks of Mayo. It is the ideal place to put your bike aside for a moment, breathe in the salty air, and observe the activity at the small pier with the mighty Ben Gorm as a backdrop.
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This is THE postcard moment of your tour through Connemara. From this elevated point along the N59, you have an unobstructed view over the deep blue fjord and the steep walls of the Mweelrea mountain on the other side. It's the perfect spot to get off your bike for a moment, breathe in the salty sea air, and take in the scale of this unique glacial landscape. Don't forget to wave to the dolphins that sometimes swim by in the depths below!
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Killary Fjord (of Killary Harbour) is often called the only true fjord in Ireland, although technically it is one of the three glacial fjords on the island. This deep sea arm cuts 16 kilometres inland, forming the natural border between the counties of Galway and Mayo.
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One of the most characteristic Connemara roads: narrow asphalt, slightly undulating, and constantly accompanied by water and low green ridges. Lough Fee lies elongated and open in the landscape. The road runs close to the banks, giving you almost continuous views of water, bog, and the surrounding hills. It feels remote and serene, with broad west coast air and an almost timeless tranquility.
7
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An incredible picturesque freshwater lake in County Mayo. It is 4 km (2.5 mi) long and 1 km (0.6 mi) wide. But forget the numbers and just feast your eyes on the spectacle of nature here - this must be one of the best Ireland has to offer.
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A stark reminder of the dark history of these lands. During the Famine Years, almost 400 starving adults and children walked 10 miles from Louisburgh to Doo Lough, seeking food or a ticket to the workhouse. Many have died - but not on the walk to Doo Lough, but on the way back, as they were refused food or food, and needed to get back. It was then that they met with terrible weather, and many perished, from the combination of the bad weather, fatigue and exhaustion.
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There are over 10 family-friendly hiking routes around Doo Lough, ranging from easy strolls to more moderate adventures. These trails offer a wonderful way to explore the stunning glacial lake, dramatic mountains, and serene valleys of the region with your family.
The terrain varies significantly, from gentle, accessible paths along the lake shores to more rugged and undulating trails in the Sheeffry Hills. You'll find a mix of well-trodden paths, forest tracks, and some sections that might be a bit rockier, especially on routes with more elevation gain. Always check the route details for specific terrain information.
Yes, there are several easy walks perfect for families with young children. For a gentle experience, consider the Killary Fjord – View of Killary Harbour loop from Killary Harbour, which is just over 2 km long and offers lovely views with minimal elevation. Another great option is the Killary Harbour Lakeside Path – Mussel Farm in Killary Harbour loop from Killary Harbour, which is around 6.6 km and also very easy.
The Doo Lough area is rich in natural beauty and historical significance. You can expect to see the tranquil Doo Lough itself, framed by the majestic Mweelrea Mountains and Sheeffry Hills. Nearby, you can visit the scenic Aasleagh Falls, a beautiful cascade, or enjoy views of Killary Fjord, Ireland's only fjord. The poignant Doolough Valley Famine Memorial also offers a historical point of interest.
Yes, several routes offer circular paths, which are often ideal for families. The Killary Fjord – View of Killary Harbour loop from Killary Harbour and the Killary Harbour Lakeside Path – Mussel Farm in Killary Harbour loop from Killary Harbour are both excellent easy circular options. For a slightly longer, moderate circular route, consider the Leenaun Waterfront – View of Killary Fjord loop from Leenaun.
The best time for family hikes around Doo Lough is generally from late spring to early autumn (May to September). During these months, the weather is typically milder, with longer daylight hours and less rainfall, making for more pleasant hiking conditions. However, the region's weather can be unpredictable, so always be prepared for changing conditions.
Many trails in the Doo Lough area are suitable for dogs, but it's always best to check specific route details and local signage. When hiking with dogs, especially in rural or mountainous areas, it's crucial to keep them under control, ideally on a leash, to protect local wildlife and livestock. Always carry waste bags and clean up after your pet.
Parking availability varies by trailhead. Many popular starting points for trails, especially those near Killary Fjord or in villages like Leenaun, will have designated parking areas. For specific routes, it's advisable to check the route description on komoot for details on parking facilities near the starting point.
The area is highly rated by the komoot community, with an average score of 4.57 stars. Reviewers often praise the stunning, unspoiled natural beauty, the tranquility of the lake, and the dramatic mountain backdrops. Many appreciate the variety of trails, from easy lakeside strolls to more challenging mountain ascents, making it suitable for different family abilities.
While the immediate Doo Lough valley is quite remote, you'll find amenities in nearby villages. Leenaun, located at the head of Killary Fjord, offers cafes and pubs where you can enjoy refreshments and meals after your hike. It's a good idea to plan your route to pass through or end near these villages if you're looking for food and drink options.
Given the changeable Irish weather, layering is key. We recommend waterproof and windproof outer layers, comfortable hiking boots or sturdy shoes, and moisture-wicking clothing. Always bring plenty of water, snacks, a first-aid kit, a map or GPS device (like komoot), and sun protection, even on cloudy days. For families, extra layers for children and any specific comfort items are also advisable.


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