Some mountains steal the spotlight, their names whispered with reverence in hiking circles. Slieve Donard, the tallest in Northern Ireland, gets most of the attention.
Slieve Bearnagh commands respect with its rugged tors. But then there’s Slieve Commedagh—a mountain that quietly dominates the Mourne skyline, standing tall, yet often overlooked.
With sweeping views over Newcastle, the Irish Sea, and the Mourne range, the Slieve Commedagh hike offers a perfect balance of challenge and reward. Whether you’re looking for a standalone adventure or a looped hike incorporating Slieve Donard, this guide has everything you need—including maps, history, and the best routes.
Slieve Commedagh Hike: An Overview
Slieve Commedagh is the second-highest peak in the Mournes, standing at 767m (2,516 ft). It’s less busy than Donard but offers equally stunning views, making it a fantastic alternative for those wanting a quieter summit experience.
Key Highlights of the Hike:
- Distance: 8-12 km (depending on route)
- Time Required: 4-5 hours
- Difficulty: Moderate to strenuous
- Elevation: 767m (2,516 ft)
- Best Starting Point: Donard Park, Newcastle
For those looking for a longer day in the Mournes, Slieve Commedagh can be combined with Slieve Donard, Slieve Bearnagh, or Slieve Meelmore for an epic Mourne Mountain traverse.
Slieve Commedagh History & Significance
What Does ‘Commedagh’ Mean?
The name Slieve Commedagh comes from the Irish “Sliabh Coimhéideach”, which translates to “watchful mountain”—a fitting name given its commanding position over the surrounding valleys and coastline.
Slieve Commedagh in Mourne History
- Used as a lookout point – The Mourne Mountains have been a strategic area for centuries, with Commedagh offering an ideal vantage point.
- Part of the Mourne Wall – Built between 1904-1922, the wall passes over Commedagh, linking it with Donard, Bearnagh, and Meelmore.
- A quieter alternative to Donard – While Slieve Donard is known for attracting large crowds, Commedagh allows hikers to experience the same stunning scenery without the foot traffic.
For more information on the Slieve Commedagh history, check out its Wikipedia page.
Where to Start Climbing Slieve Commedagh?
The most common starting point is Donard Park in Newcastle, which also serves as the base for climbing Slieve Donard.
Other Starting Options:
- Meelmore Lodge (longer route via the Brandy Pad).
- Bloody Bridge Car Park (for a rugged, scenic ascent).
The most popular route follows the Glen River Trail, which runs between Slieve Donard and Slieve Commedagh, giving you the option to climb both peaks in one hike.
Slieve Commedagh Map & Trail Options
1. Classic Route via Glen River
- Start: Donard Park, Newcastle.
- Path: Follow Glen River Trail → Mourne Wall → Summit Slieve Commedagh → Descend same route.
- Duration: 4-5 hours.
- Difficulty: Moderate.
- Views: Mourne range, Irish Sea, Newcastle coastline.
2. Slieve Donard & Slieve Commedagh Circular Loop
- Start: Donard Park.
- Path: Follow Glen River → Summit Donard → Traverse to Commedagh → Descend via Brandy Pad.
- Duration: 5-6 hours.
- Difficulty: Strenuous.
For navigation, always carry a Slieve Commedagh map or download the route on AllTrails.
Want to challenge yourself? Consider incorporating Slieve Binnian Circular into your Mourne hikes.
Slieve Commedagh vs. Slieve Donard: Which One Should You Climb?
| Feature | Slieve Commedagh | Slieve Donard |
|---|---|---|
| Height | 767m | 850m |
| Difficulty | Moderate | Strenuous |
| Views | Similar, but quieter | More expansive but crowded |
| Trail Traffic | Less busy | Very busy |
| Best For | Those seeking solitude | First-time Mourne hikers |
If you want the challenge of Donard but prefer a quieter summit experience, Commedagh is the better choice.
Is Slieve Commedagh Hard to Climb?
Difficulty: Moderate to strenuous
- First half: Gradual incline along the Glen River Trail.
- Final ascent: Steep but manageable, with no major scrambling.
- Weather conditions: Commedagh can be very exposed, so check forecasts before heading up.
If you’ve climbed Slieve Bearnagh, Commedagh will feel much easier in comparison.
FAQs About Slieve Commedagh & Mourne Mountains
How Long Does It Take to Climb Slieve Commedagh?
Most hikers complete Slieve Commedagh in 4-5 hours via the Glen River route. If combined with Donard, expect a 5-6 hour trek.
How Long Does It Take to Walk Up Slieve Donard?
A direct ascent of Slieve Donard takes around 3-4 hours up and down. If combined with Commedagh, allow 5-6 hours.
What is Slieve Donard Famous For?
Slieve Donard is famous for being the highest peak in Northern Ireland (850m), its stunning views of the Mournes and coastline, and its place in Irish mythology (associated with Saint Donard, who is said to have meditated on its summit).
What is the Smallest Mountain in the Mournes?
The smallest Mourne peak is Slievenaglogh (445m), though it is often overlooked in favor of more popular hikes.
What is the Height of Slieve Commedagh?
Slieve Commedagh stands at 767m (2,516 ft), making it the second-highest mountain in Northern Ireland after Donard.
Final Thoughts: Why Slieve Commedagh Deserves More Recognition
While Donard, Binnian, and Bearnagh take the limelight, Slieve Commedagh offers everything a hiker could want—stunning views, challenging terrain, and peaceful trails.
If you want:
✅ Epic views without Donard’s crowds – Climb Commedagh.
✅ A challenging but manageable hike – The Slieve Commedagh hike is perfect.
✅ A longer Mourne adventure – Combine it with Slieve Donard or Slieve Meelmore for an unforgettable day.
So, lace up your boots, check your Slieve Commedagh map, and set off on one of Ireland’s best hiking experiences.
Explore More of Ireland’s Best Hikes:
- Doan Mountain – A hidden gem in the Mournes.
- Slieve Binnian Circular – A dramatic ridgeline hike.
- Best Backpacking Stoves – Essential for overnight adventures.
Are you ready to experience the Mournes like never before?
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