Glen River Trail

The Glen River Trail, particularly when heading to the summit of Slieve Donard, is considered a very strenuous and demanding hike. It features significant steep climbs, rough, unsurfaced paths, and requires a high level of fitness. While our komoot data rates it as 'moderate' for the specific tour, the full ascent to Northern Ireland's highest peak is a considerable undertaking.

The full ascent to Slieve Donard via the Glen River Trail is not recommended for beginners or families with young children due to its demanding nature, steep ascents, and rough terrain. However, shorter, less intense sections within Donard Forest that follow the Glen River might be more suitable for a family-friendly walk.

The most common starting point for the Glen River Trail is Donard Park in Newcastle, Northern Ireland. There is parking available at or near Donard Park, which serves as the gateway to the Mourne Mountains.

The full hike to the summit of Slieve Donard and back via the Glen River Trail typically takes around 6 hours. Our komoot tour data estimates the moving time for this specific route at approximately 4 hours 43 minutes, but allow extra time for breaks, enjoying the views, and navigating challenging sections.

Expect off-road, unsurfaced paths with significant steep climbs and rough terrain. The trail ascends through Donard Wood along the Glen River, then climbs higher to the head of the river valley. Some sections, especially closer to the mountain peaks, have undergone extensive path repair using stone pitching.

As you follow the Glen River upstream, you'll pass the historic The Ice House, Slieve Donard, an old stone structure. Further along, you'll encounter the dramatic 'Black Stairs,' where a tributary cascades down a dark rocky cleft. Higher up, you'll reach Entrance to The Mournes, and eventually the iconic The Mourne Wall before reaching the Summit of Slieve Donard.

As you climb, you'll get increasingly impressive views of Slieve Donard and Slieve Commedagh. From the summit of Slieve Donard on a clear day, the panoramic views are spectacular, extending across Dundrum Bay to the mountains of southwest Scotland, northwest England, the Isle of Man, and even Snowdonia in Wales.

Yes, the route follows the official Glen River Trail and Slieve Donard Trail, Mournes for its entirety. It also intersects with sections of the Granite Trail, Donard Loop, and the Mourne Wall Challenge.

Dogs are generally permitted on the Glen River Trail, but it's crucial to keep them on a leash, especially given the presence of livestock in the wider Mourne Mountains area and to adhere to 'Leave No Trace' principles. Be mindful of the challenging terrain for your dog's paws and stamina.

No, there are no specific permits or entrance fees required to hike the Glen River Trail or to access the Mourne Area of Outstanding Natural Beauty. However, much of the land is privately owned, so please respect the environment and follow 'Leave No Trace' principles.

The best time to hike the Glen River Trail is typically during the spring, summer, and early autumn months (April to October) when the weather is generally milder and daylight hours are longer. Clear days offer the best panoramic views from the summit. Always check the local weather forecast before you go.

Hiking the Glen River Trail in winter can be significantly more challenging due to potentially icy conditions, snow, shorter daylight hours, and rapidly changing weather. Experience with winter hiking, appropriate gear (including microspikes or crampons, and an ice axe if conditions warrant), and navigation skills are essential. Always check mountain forecasts and be prepared to turn back if conditions deteriorate.