Ultimate Guide to Hiking in Northern Ireland

Northern Ireland might be compact, but it’s stacked with coast-to-summit variety: basalt cliffs and sea stacks on the Causeway Coast, stair-like boardwalks across wild bogland, and granite peaks in the Mournes. Trails range from breezy seaside rambles to big days with serious elevation, all well waymarked and close to friendly bases. This guide rounds up what to expect on the trails, where to go, and how to plan a hiking trip that balances showpiece routes with quieter local favorites.

Why Hike in Northern Ireland?

Northern Ireland may be a small country, but nonetheless, it’s packed with a stunning array of hiking opportunities that showcase the rugged coastlines and neat looking landscapes. If you’re an avid hiker, it’s definitely not a country that you’ll want to overlook.

From the famous Giant’s Causeway to the Mourne Mountains, each trail offers unique views and experiences that will leave you in awe of this beautiful region.

In this guide, we’ll explore everything you need to know about hiking in northern Ireland, from the types of trails you can expect to what the weather is like to some of the best and most famous hikes that this country can offer you.

Best Hikes in Northern Ireland

Here are some of the best hikes and walks in Northern Ireland:

Slieve Donard, Mourne Mountains

As the highest peak in Northern Ireland, Slieve Donard is a must-do hike for those of you who are looking for a rewarding challenge. Standing at 850 meters, the summit offers panoramic views of the Mourne Mountains, Newcastle, and the Irish Sea. The hike is about 5.5 miles/9 km round trip and can be steep in parts, but the breathtaking views make the effort well worthwhile.

Giant’s Causeway Coast Walk

You won’t want to miss the Giant’s Causeway hike along the Causeway Coast. This is a UNESCO World Heritage Site that features the famous hexagonal basalt columns that line the shoreline. You can hike from Ballintoy to the Giant’s Causeway, covering about 9 miles/14.5 km of rugged coastline in total.

Cave Hill, Belfast

Just outside Belfast, Cave Hill is a good choice if you’d like a short but rewarding hike. The trail is about 4.5 miles/7 km round trip and provides stunning views over the city and Belfast Lough. The summit features McArt’s Fort, an ancient hilltop fort. On a clear day, you can even see Scotland across the sea.

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Divis and the Black Mountain

For more spectacular views of Belfast, you’ll want to check the Divis and Black Mountain hike. This is an easy-to-moderate hike that basically consists of a 4-mile/6.5 km loop. The trail takes you across rolling hills with sweeping views of the city, the Mourne Mountains, and even the Scottish coast on clear days.

The Sperrins, Sawel Mountain

For a quieter and less-traveled hiking experience, head to the Sperrin Mountains. Sawel Mountain, the highest peak in the range, offers a moderate 4-mile/6.5 km hike with spectacular views of the surrounding countryside. The trail takes you through open moorland.

Companion Article: Best Hikes in Northern Ireland

Want route specifics (distance, elevation, time, maps) in one place? Head to Best Hikes in Northern Ireland—it’s the trail-by-trail companion to this guide, so you can match routes to your time, fitness, and weather on the day.

World Famous Hikes in Northern Ireland

Here are some of the most famous hikes in Northern Ireland that you can check out:

Giant’s Causeway Coastal Walk

The Giant’s Causeway is not only one of Northern Ireland’s most famous landmarks, but it’s also the centerpiece of an unforgettable coastal hike. This UNESCO World Heritage Site features stunning basalt columns formed by ancient volcanic activity.

The hike along the Causeway Coast Way offers dramatic cliffside views, windswept beaches, and the chance to explore the unique geology of the area. Spanning approximately 33 miles/53 km in total from Ballycastle to Derry/Londonderry, you can either take on the entire trail or choose shorter sections for a day hike.

Slieve Donard, Mourne Mountains

The Slieve Donard hike in the Mourne Mountains is world-renowned for its challenging ascent. Standing at 850 meters/2790 feet, Slieve Donard is Northern Ireland’s highest peak and offers sweeping vistas over the Mourne Mountains, Newcastle, and the Irish Sea. This 5.5-mile/9 km round-trip hike is a popular choice for experienced hikers looking to conquer Northern Ireland’s tallest mountain.

Cuilcagh Boardwalk Trail (AKA the Stairway to Heaven)

One of Northern Ireland’s most famous hikes, the Cuilcagh Boardwalk Trail, also known as the “Stairway to Heaven,” has become an Instagram favorite. Located in Cuilcagh Mountain Park, this 7.5-mile/12 km round-trip hike takes you across a wooden boardwalk that protects the delicate peatland ecosystem. The trail culminates in a series of steep steps that lead up to the summit of Cuilcagh Mountain, hence the nickname of the hike.

The Gobbins Cliff Path

The Gobbins Cliff Path is a world famous coastal hike. Originally built in 1902 and recently restored, this 2-mile/3.2 km walk takes you along a cliffside path with bridges, tunnels, and even sections that hang over the sea. For most of the duration, you’ll get a close-up view of Northern Ireland’s dramatic coastline and rich marine life.

Hiking Hubs, Regions, Towns, and Hotspots to Hike To In Northern Ireland

Northern Ireland is packed to the max with stunning spots to explore, regardless of whether you’re after dramatic coastal views, peaceful forest trails, or challenging mountain climbs.

Here are some of the top regions, towns, and hotspots you won’t want to miss:

Mourne Mountains

The Mourne Mountains are a must for any serious hiker. Located in County Down, this range offers rugged peaks, rolling hills, and a network of trails for all skill levels. Slieve Donard, the highest peak in Northern Ireland, is one of the most popular hikes here. Newcastle is a charming town nearby and is literally the perfect base for exploring the Mournes. It has plenty of cozy places to stay and eat after a long day on the trails.

Causeway Coast

For stunning coastal scenery, the Causeway Coast is hard to beat. Stretching from Ballycastle to Derry/Londonderry, this area is home to the world-famous Giant’s Causeway. This is where hexagonal basalt columns create a natural wonder like no other. You can hike the Causeway Coast Way, which is a scenic 33-mile route that passes through charming towns like Portrush and Portstewart. There are views of rugged cliffs and sandy beaches along the way.

Glens of Antrim

The Glens of Antrim are a series of picturesque valleys that also provide a more peaceful and gentle hiking experience. One popular spot is Glenariff Forest Park, where you can hike along well-maintained trails that take you pasGlent stunning waterfalls and through lush forest. The village of Cushendall is also a great base for exploring the glens.

Divis and the Black Mountain

For a hike with fantastic views of Belfast and the surrounding area, Divis and the Black Mountain is a perfect choice. Located just outside the city, these hills provide several walking routes. The summit of Divis Mountain offers panoramic views over Belfast Lough, the Mourne Mountains, and even Scotland on a clear day. It’s an accessible hike that’s perfect for a half-day adventure if you’re based in Belfast.

The Sperrins

If you’re looking for a more off-the-beaten-path hiking experience in Northern Ireland, the Sperrin Mountains in Counties Tyrone and Londonderry offer stunning landscapes and quiet trails. With rolling hills, ancient stone circles, and beautiful open countryside, the Sperrins are perfect for those of you who would like to escape the crowds and explore a little history in the process.

Types of Hikes That You Can Expect in Northern Ireland

Northern Ireland offers a wider variety of hiking experiences than you may have expected. The trails here can cater to every type of hiker, from more experienced hikers to those of you who are just seeking out a casual walk.

Here are the types of hikes that you can expect:

Coastal Walks

With Northern Ireland’s rugged coastline, there are no shortage of opportunities for scenic coastal walks that offer breathtaking views of cliffs, beaches, and the Atlantic Ocean. Trails like the Giant’s Causeway Coast and the Gobbins Cliff Path offer stunning seaside views for most of the duration of their trails.

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Mountain Hikes

For those of you who are seeking a real challenge, Northern Ireland’s mountain ranges (like the Mourne Mountains) provide excellent opportunities. These hikes feature steep ascents, rocky paths, and rewarding views from the top.

Woodland and Forest Trails

If you prefer a peaceful stroll through nature, Northern Ireland’s forests and woodlands offer serene, easy-to-moderate hikes. Trails like Glenariff Forest Park will take you through lush green landscapes, waterfalls, and quiet glens. They are quite the relaxing escape into nature.

Boardwalk and Bogland Hikes

Unique to Northern Ireland is the Cuilcagh Boardwalk Trail, which is also known as the “Stairway to Heaven.” This hike offers an incredible bogland landscape and a well-maintained boardwalk leading to panoramic mountain views.

Urban Escapes

For those of you who would like to combine city life with nature, Cave Hill and Divis and Black Mountain near Belfast offer fantastic hikes close to urban areas. These hikes provide stunning city views while providing you with the sense of being immersed in nature.

Weather Considerations For Day Hikes in Northern Ireland

The weather is something you’ll definitely need to keep in mind when you’re planning a day hike in Northern Ireland.

That’s because the weather can change fast…as in really fast. You might start the day with sunshine and end it with rain, wind, or even a bit of fog. So, being ready for anything is key to enjoying your hike.

The temperatures are generally mild, but it can still feel pretty cool, especially in the mountains or along the coast. Even in summer, it’s smart to dress in layers. Start with something that keeps sweat off your skin, then add a warm layer, and finish with a waterproof jacket.

Let’s just be real, rain is always a possibility here! That’s why throwing in a few extra layers is never a bad idea, just in case things cool down more than expected.

Speaking of rain, since it’s a frequent guest, having waterproof gear is a must. A solid pair of waterproof hiking boots will keep your feet dry and comfortable, especially if the trail gets muddy after a shower. And if you’re hiking along the coast, be ready for some wind. Things can get pretty gusty on higher trails or near cliffs.

Flora and Fauna in Northern Ireland

Northern Ireland’s flora is as varied as its landscapes. In coastal areas, you’ll find hardy plants like sea thrift, heather, and gorse. These thrive in salty winds and rocky soils. Inland, the woodlands are dominated by native species such as oak, ash, and birch trees. During spring and summer, the forests and meadows become more alive with wildflowers like bluebells, primroses, and foxgloves. These flowers add vibrant splashes of color to the trails.

The wildlife of Northern Ireland is equally diverse. Along the coast, you may get to spot gray seals basking on the rocks or diving in the sea, while (on a good day) you’ll get to see dolphins and porpoises from off the shore. If you’re a birdwatcher, you’ll love the chance to spot puffins, gannets, and razorbills that nest along the cliffs.

Further inland, the forests and fields are home to red squirrels, badgers, foxes, and the occasional pine marten. This is one of Ireland’s rarest mammals. If you’re hiking in the Mourne Mountains or Sperrins, you can also keep an eye out for Irish hares, which is a species unique to the island.

Walking Holiday in Northern Ireland

Northern Ireland is an ideal destination for those seeking a relaxed walking holiday, with routes that pass through both natural beauty and cultural landmarks. From the iconic Giant’s Causeway to the peaceful Mourne Mountains, each trail offers a unique way to experience the country’s stunning landscapes and history.

“From Alps to coastlines, our free Walking Holiday guide helps you plan smarter.”

Where to Next?

Keep the momentum going with these nearby guides:

• Ultimate Guide to Hiking in Ireland (island-wide variety from Kerry to Connemara)
• Ultimate Guide to Hiking in Scotland (munros, glens, islands)
• Ultimate Guide to Hiking in England (lakes, moors, coast paths)
• Belfast: A City Guide for Hikers (city based hiking tips and advice)

Conclusion

All in all, Northern Ireland should not be underestimated when it comes to hiking. In this country, you’ll get to find dramatic-looking coastlines, mountains that tower high into the sky, and peaceful forests.

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