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Dog walking on a forest trail with mountain views in the Mourne Mountains
Dog-Friendly

Bring the Dog: Walks With Four-Legged Views

Forest trails, coastal paths, and mountain summits where your best friend is welcome. From gentle lakeside strolls to wild moorland adventures.

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Paws & Paths

Dog-Friendly Walks

From gentle forest loops to wild mountain trails, these walks welcome dogs of all shapes and sizes. Each card includes specific notes on lead rules, water access, and what to expect with your four-legged companion.

Tollymore Forest Park Loop — dog-friendly walk in Newcastle
easy
1.5 hrs5 km

Tollymore Forest Park Loop

Newcastle

Northern Ireland’s first State Forest Park offers enchanting river trails, Gothic stone bridges, and Game of Thrones filming locations. Multiple loop options mean you can tailor the walk to your dog’s energy levels.

Dogs must be kept on lead at all times. River Shimna has shallow paddling spots where dogs can cool off. Dog waste bins provided throughout the park.

£5 per day at main car park
River paddling for dogsGothic stone bridgesGame of Thrones Haunted Forest
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Castlewellan Lake Walk — dog-friendly walk in Castlewellan
easy
1 hr3.5 km

Castlewellan Lake Walk

Castlewellan

A flat, well-surfaced path circles the lake beneath Castlewellan Castle. Ideal for older dogs or families with pushchairs. The Peace Maze and Annesley Gardens are nearby for a longer day out.

Dogs on lead required. Flat, paved lakeside path suitable for dogs of all ages. Water access at several points around the lake.

£5 per day
Flat lakeside pathWorld’s largest hedge maze nearbyVictorian castle views
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Kilbroney Forest Park — dog-friendly walk in Rostrevor
moderate
1–2 hrsVarious

Kilbroney Forest Park

Rostrevor

C.S. Lewis wrote that the view from Rostrevor was “my idea of Narnia”. The Narnia Trail weaves through woodland with sculptures from the Chronicles, while higher paths reward with sweeping Carlingford Lough views.

Dogs welcome on all trails. Keep on lead near the play areas. Some steeper sections on mountain paths. Streams for drinking water along the way.

Free
Narnia Trail sculpturesCarlingford Lough viewsMultiple trail options
Newcastle Promenade to Donard Park — dog-friendly walk in Newcastle
easy
45 min2 km

Newcastle Promenade to Donard Park

Newcastle

A gentle stroll along Newcastle’s seafront promenade to the gates of Donard Park, with the sweep of the Mournes rising ahead. Pick up an ice cream along the way and let the dog splash at the water’s edge.

Dogs on lead in Donard Park. Beach access may have seasonal restrictions (May–September) — check locally. Promenade is dog-friendly year-round.

Pay & display in Newcastle town centre
Seafront promenadeMountain backdropIce cream stops
Bloody Bridge Coastal Path — dog-friendly walk in Newcastle
moderate
2 hrs6 km

Bloody Bridge Coastal Path

Newcastle

Starting from the Bloody Bridge car park south of Newcastle, this route follows the old smugglers’ path inland along the river before climbing to open moorland with dramatic coastal views back across Dundrum Bay.

Dogs can be off-lead on open mountain sections away from livestock. River crossings provide fresh drinking water. Watch for sheep on higher ground — keep dogs under close control.

Small car park at Bloody Bridge (free)
Coastal panoramasHistoric smugglers’ pathRiver crossings
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Slieve Donard (Glen River Path) — dog-friendly walk in Newcastle
challenging
4–5 hrs9 km

Slieve Donard (Glen River Path)

Newcastle

Northern Ireland’s highest peak at 850 metres. The Glen River trail climbs through Donard Forest before reaching the exposed saddle and the Mourne Wall leading to the summit. A serious day out for fit dogs and fit owners.

Dogs on lead through the forest section. Summit is exposed and rocky — bring extra water for your dog. Not suitable for older or less mobile dogs. Carry a dog first aid kit.

Donard Park car park (pay & display)
Northern Ireland’s highest peakMourne Wall at summitPanoramic views on clear days
Cloughmore Stone Trail — dog-friendly walk in Rostrevor
moderate
1.5 hrs4 km

Cloughmore Stone Trail

Rostrevor

Climb through Kilbroney woodland to reach the legendary Cloughmore Stone — a 50-tonne granite boulder said to have been hurled across Carlingford Lough by the giant Fionn Mac Cumhaill. The viewpoint is one of the finest in the Mournes.

Dogs on lead. Moderate climb with some steep sections. No water sources on the upper trail — bring a collapsible bowl and water.

Kilbroney Park (free)
Giant’s legendary boulderCarlingford Lough panoramaFionn Mac Cumhaill mythology
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Cranfield Beach Walk — dog-friendly walk in Kilkeel
easy
30 min1.5 km

Cranfield Beach Walk

Kilkeel

A quiet, golden sandy beach at the mouth of Carlingford Lough. Far less busy than Newcastle, this is a perfect spot for dogs who love to swim. The views across to the Cooley Mountains make it feel wonderfully remote.

Dogs welcome — check for seasonal restrictions (May–Sept). Sandy beach ideal for dog swimming. Quiet and uncrowded outside summer months.

Free car park at Cranfield
Sandy beach for swimmingQuiet and uncrowdedCarlingford Lough views
Silent Valley Reservoir Walk — dog-friendly walk in Mourne Mountains
moderate
1.5 hrs5 km

Silent Valley Reservoir Walk

Mourne Mountains

Walk around the iconic reservoir at the heart of the Mournes, enclosed by the famous Mourne Wall. The well-maintained paths pass the imposing stone dam with dramatic mountain peaks rising on all sides.

Dogs must be on lead at all times — this is a working water reservoir. No swimming or water access for dogs. Stick to designated paths. Dog waste bins at the car park.

£5 per car, £2.50 per bike
Iconic reservoir settingMourne Wall heritageMountain-ringed landscape
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Spelga Dam & Deer’s Meadow — dog-friendly walk in Mourne Mountains
moderate
2 hrs6 km

Spelga Dam & Deer’s Meadow

Mourne Mountains

High in the Mournes at Spelga Dam, the open moorland of Deer’s Meadow stretches out beneath the peaks. This remote, windswept walk feels like true wilderness — the kind of place where you might not see another soul.

Dogs can be off-lead on the open moorland away from livestock. Remote location — bring water, food, and supplies for both you and your dog. No facilities nearby.

Free at Spelga Dam car park
Remote wilderness feelingOpen moorland freedomMountain panoramas
Murlough Beach & Nature Reserve — dog-friendly walk in Dundrum
easy
1 hr3 km

Murlough Beach & Nature Reserve

Dundrum

Ireland’s first nature reserve protects a 6,000-year-old dune system behind a vast golden beach. Boardwalk trails wind through the dunes before opening onto five miles of sand with the Mournes rising behind.

Dogs must be on lead in the nature reserve (ground-nesting birds). Beach itself is more relaxed but check seasonal notices. The dune habitat is fragile — stick to boardwalks.

£4 at Murlough car park
6,000-year-old dunesFive-mile beachMourne Mountain backdrop
Warrenpoint to Rostrevor Greenway — dog-friendly walk in Warrenpoint
easy
1.5 hrs6 km

Warrenpoint to Rostrevor Greenway

Warrenpoint

A flat, traffic-free greenway following the shore of Carlingford Lough between two charming towns. The path is surfaced and accessible, with mountain views on one side and the lough on the other. Perfect for a relaxed walk with the dog.

Dogs on lead — shared path with cyclists. Flat and fully surfaced, suitable for all dogs. Benches and rest stops along the way. Water fountains at both ends.

Pay & display in Warrenpoint or Rostrevor
Flat, traffic-free pathCarlingford Lough viewsConnects two towns
Be Prepared

Dog Walking Tips

A few essentials to keep both you and your dog safe and happy on the trails.

Water & Hydration

  • Carry a collapsible water bowl and extra water
  • Mountain streams are generally safe for dogs to drink from
  • Avoid reservoir water (Silent Valley, Spelga Dam)
  • In summer, walk early morning or late afternoon

Livestock & Wildlife

  • Sheep graze freely on open mountain \u2014 keep dogs under close control
  • Lambing season (March\u2013May) requires extra vigilance
  • Ground-nesting birds at Murlough \u2014 dogs on lead in the reserve
  • If chased by cattle, release your dog \u2014 they can outrun them

Trail Etiquette

  • Always bag and bin dog waste (or take it with you)
  • Keep dogs on lead when passing other walkers with children
  • Respect seasonal beach restrictions (typically May\u2013September)
  • Carry a basic dog first aid kit on longer mountain walks

Seasonal Beach Restrictions

Some beaches restrict dogs during summer months (typically May to September) to protect nesting birds and busy family areas. Always check local signage when you arrive. Forest parks and mountain trails are generally dog-friendly year-round.

Ready to Hit the Trail?

Plan your dog-friendly adventure in the Mourne Mountains. Get practical information on getting here, where to stay, and the best walking routes.