Best Walks in Northern Ireland: 8 Trails Not to Miss
A guide to the best walks in Northern Ireland — Causeway Coast, Mourne Wall, Slieve Donard, Cuilcagh boardwalk and five more — with planning advice from fifteen…
Read article →Ireland's best-kept walking secret
The Cooley Peninsula might be compact, but what it lacks in size it makes up for in soul. This 5-day walking holiday takes you into the heart of one of Ireland's most storied landscapes — where the legendary hero Cúchulainn is said to have single-handedly defended Ulster against invasion, and where the ancient tales of the Táin Bó Cúailnge still echo across misty moorlands. You'll spend your days navigating forest roads and heather-clad slopes, climbing to windswept summits with views that stretch from the dramatic Mourne Mountains into Northern Ireland, then descending to the medieval village of Carlingford, where salty Atlantic air, fresh oysters, and centuries of history await.
This isn't a gruelling expedition — it's a carefully paced journey that lets you really get to know a place. Four nights in welcoming B&Bs, hot breakfasts, and hassle-free luggage transfers mean you can focus on what matters: the rhythm of walking, the stories of the land, and the quiet satisfaction of reaching each day's destination under your own steam.
Whether you're new to multi-day hiking or looking for a manageable Irish adventure, the Cooley Peninsula delivers that perfect balance of challenge and comfort. And if you fall completely under its spell, the 8-day extension takes you across the border into the Mourne Mountains for even more.
Climb to Black Mountain and Clairmont Cairn, drinking in vistas that span the Mourne Mountains and reach into three counties. On clear days, the view alone is worth the effort.
Spend your free day wandering narrow streets lined with colourful townhouses, discovering Viking heritage and Norman architecture, and tasting local oysters fresh from the lough — a gastronomic and cultural gem.
Trek through the very heartland of ancient Irish mythology, where the hero Cúchulainn made his legendary stand. Your route follows ancient droving paths and moorland trails steeped in Celtic history.
Experience the full textured variety of Cooley — from sheltered forest roads to windswept heather, with panoramic descents down to Carlingford Lough and views of the Mourne Mountains that shift and deepen with each step.
The time-poor adventurer. You've only got five days, but you don't want a whistle-stop tour. You want to really inhabit a place, walk it, sleep there, wake up to its rhythm. The Cooley Peninsula is perfectly paced for that: two proper trekking days (12–16 km) with a built-in rest day in Carlingford so you can recover, explore, and fall in love with a medieval village without rushing.
Hikers new to multi-day walking. If this is your first self-guided walking holiday, the Cooley Peninsula is forgiving without being soft. The daily distances are achievable, the terrain is varied rather than monotonous, and you have full support behind you — 24/7 emergency contact, luggage transfers, and detailed route notes. You'll finish this tour feeling proud, not demolished.
Anyone craving authentic Irish culture layered with nature. You're not just hiking here — you're walking through living history. Medieval streets, Celtic mythology, Viking heritage, wild oysters, and pubs where locals still gather. The Cooley Peninsula offers the complete Irish experience wrapped up in a small, walkable area. And if you fall in love with the region, the 8-day extension takes you across the border into the Mourne Mountains for even more.
You'll arrive in Dundalk, the gateway to the Cooley Peninsula, and settle into your first B&B. Dundalk is a working market town with handsome Georgian streets, a lively centre, plenty of good restaurants and pubs, and the County Museum if you'd like a feel for local history before you start walking.
We will provide you with information on how to get here using public transport in your pre-departure pack — Dundalk has frequent rail and bus links from both Dublin and Belfast — or talk to us about private transfer options from either airport.
The evening is yours: explore the town centre, enjoy dinner, and rest before tomorrow's walking.
Every night, you'll stay in hand-picked B&Bs, each one a small piece of Irish hospitality. We work with proprietors who understand what walkers need: solid beds, hot showers, and a proper Irish breakfast that fuels your day. All rooms are en-suite, so you have privacy and comfort after your walking days.
The B&Bs themselves are part of the story. These aren't soulless chain hotels—they're family-run houses, often with views of the peninsula or the lough, decorated with local art and the kinds of details that make a place feel lived-in and welcoming. Your hosts can point you toward the best local pubs, recommend evening walks, or simply sit with you over breakfast and share their own stories of Cooley.
In Carlingford especially, your B&B will likely be in the heart of the village, putting you minutes away from restaurants, the waterfront, and the medieval streets. You'll wake to the sound of seagulls, smell salt air, and step straight out into history.
May and June are our top picks. Long evenings, wildflowers on the Cooley foothills and manageable trail traffic make these months hard to beat. June and early July offer the longest daylight hours, which matter for the longer Mourne Ridge days.
September is arguably the finest month of all. Bracken turns gold, the light is sharp and clear, trails are quieter, and accommodation is easier to book.
July and August are the warmest months but the busiest. Slieve Donard sees significant foot traffic, and accommodation needs to be booked well in advance.
The walking season runs from late spring through to late autumn, typically April to October.
Time your visit with a festival. Many trails host walking festivals throughout the season — see our complete 2026 walking festivals calendar to plan around one.
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Cliff & Louise
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