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United Kingdom
Northern Ireland
Newry And Mourne
Annahaia

Slieve Gullion running loop

Hard

21

runners

Slieve Gullion running loop

01:44

13.6km

450m

Running

A difficult 8.5-mile (13.6 km) running loop on Slieve Gullion, gaining 1470 feet (448 metres) with panoramic views and varied terrain.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Ring of Gullion AONB

Waypoints

A

Start point

Parking

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1

787 m

Book of Fairy Tales Sculpture

Highlight • Forest

Have you ever seen such a heavy and large book? I believe it's a book that only giants can read...

Tip by

2

5.04 km

Slieve Gullion Summit

Highlight • Volcano

The highest Passage Tomb in the British Isles is located on the summit of Slieve Gullion at 573 meters. The passage grave can be entered through a niche that is …

Translated by Google •

Tip by

3

5.82 km

Calliagh Beara Lough

Highlight • Lake

This lough, located between the northern and southern burial cairns of Slieve Gullion, is the highest in Northern Ireland.

Tip by

4

10.7 km

Killevy Churches Ruins

Highlight • Historical Site

At this point, St. Moninna founded an early Christian community in the late 5th century. No buildings from their time have survived as they were made of wood. What you …

Translated by Google •

Tip by

B

13.6 km

End point

Parking

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Way Types & Surfaces

Way Types

5.43 km

5.05 km

2.33 km

773 m

Surfaces

5.43 km

4.68 km

2.73 km

747 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (560 m)

Lowest point (110 m)

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Weather

Powered by Foreca

Friday 4 September

17°C

11°C

12 %

Additional weather tips

Max wind speed: 18.0 km/h

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Frequently Asked Questions

What is the terrain like on the Slieve Gullion running loop?

The terrain is quite varied and can be rugged. You'll encounter intermittent stretches of forest, leading to a climb up a boggy mountainside. The path becomes steeper as you ascend, traversing areas of peaty and rocky ground. Some sections involve minor roads and forest tracks, while the ascent to the summit often involves a steep mountain path. The descent can also be steep, with slippery rocks in wet weather.

Is the Slieve Gullion running loop suitable for beginners?

No, this running loop is generally considered a challenging or hard run. It requires good to very good fitness due to steep ascents and descents, as well as rocky and muddy sections. It's not recommended for beginners.

Where does the Slieve Gullion running loop start, and is there parking available?

The loop typically starts and finishes within the Slieve Gullion Forest Park, where ample parking is available. This provides convenient access to the trailhead and facilities.

What can I see along the route?

The route offers breathtaking scenery and several points of interest. You'll pass through tranquil woodland trails, and as you gain elevation, you'll be treated to panoramic views of the Ring of Gullion, the Mourne Mountains, Carlingford Lough, and the Cooley Peninsula. Highlights include the Book of Fairy Tales Sculpture, the Slieve Gullion Summit with its Neolithic South Cairn Passage Grave, Calliagh Beara Lough, and the Killevy Churches Ruins.

What is the best time of year to run this loop?

The summer months are particularly beautiful, as the heather-covered hills turn a glorious purple, contrasting with the yellow of dwarf gorse. However, the trail can be enjoyed in spring and autumn for cooler temperatures and vibrant foliage. Always check weather conditions before heading out, as wet weather can make rocky sections slippery.

Is the Slieve Gullion running loop dog-friendly?

Yes, dogs are generally allowed on the trails within Slieve Gullion Forest Park. However, it's always best to keep them on a leash, especially in areas with livestock or wildlife, and to follow the 'leave no trace' principles by cleaning up after your pet.

Do I need a permit or pay an entrance fee for this trail?

The Slieve Gullion running loop is located within the Ring of Gullion Area of Outstanding Natural Beauty (AONB). There are typically no permits required for general access to the trails, and entrance to Slieve Gullion Forest Park usually involves a small parking fee, not a per-person entrance fee for the trails themselves.

Are there facilities like restrooms or cafes near the trailhead?

Yes, Slieve Gullion Forest Park, where the loop typically begins, offers facilities such as restrooms. There may also be a cafe or visitor center within the park, providing refreshments and amenities.

Does this trail intersect with other well-known paths?

Yes, this route incorporates sections of the official Ring of Gullion Way and also briefly passes through parts of The Giant's Lair trail, offering a diverse experience of the area's established routes.

What makes Slieve Gullion geologically and historically significant?

Slieve Gullion is the centerpiece of the Ring of Gullion AONB, known as the most famous ring dyke in the world, formed by a circular volcano over 50 million years ago. Historically, the summit hosts the Neolithic South Cairn Passage Grave, the highest surviving passage tomb in Ireland, and the area is rich in myths, including the legend of Calliagh Berra's Lough.

What should I bring for this challenging run?

Given the challenging and varied terrain, it's advisable to bring appropriate trail running shoes with good grip, layers of clothing suitable for changing weather conditions, waterproof gear, sufficient water and snacks, and a map or GPS device. Trekking poles can also be helpful for steep or slippery sections.

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