Best natural monuments around Tollymore Park are found within a diverse landscape at the foot of the Mourne Mountains in Northern Ireland. This area spans 480 hectares, offering a blend of natural beauty and historical elements. The Shimna River flows through the forest, featuring a rocky riverbed and tree-shaded banks. Ancient trees, including Ireland's oldest arboretum, contribute to the park's unique microclimate and ecological significance. The park provides access to the Mourne Mountains, with various natural features to explore.
Last updated: June 30, 2026
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Slieve Binnian is absolute magic. Standing as the third-highest peak in Northern Ireland (747 meters), it easily claims the title for the most dramatic silhouette in the Mournes, thanks to the massive, weathered granite towers—called tors—that guard its summit. https://www.expresstollpass.com
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Hare's Gap is a dramatic mountain pass nestled in the heart of the Mourne Mountains. This striking pass, situated between Slieve Bearnagh and Slievenaglogh, offers hikers a blend of natural beauty and historical intrigue. From this vantage point, hikers are treated to panoramic views of the surrounding peaks and valleys. The pass itself is historically significant, having once served as a route for smuggling goods across the mountains, adding a layer of intrigue to the hike. Hare's Gap is a popular starting point for various hikes, including ascents of Slieve Bearnagh and Slieve Meelmore.
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Hare’s Gap is one of the most iconic passes in the Mourne Mountains, marked by its rugged stile and dramatic views that open up across the range. Once a historic smuggling route, it remains a natural gateway into the high Mournes, with steep paths and striking rock formations framing the way. From here, the landscape unfolds in every direction, making it a perfect spot to pause, take in the scenery, and appreciate the wild beauty of these mountains.
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Slieve Commedagh, at 767 meters, is the second-highest peak in the Mourne Mountains and a rewarding climb for any hiker. Its summit offers sweeping views across the Mournes and out to the Irish Sea, a reminder of how close these mountains sit to the coast. The ascent is steep and demanding, often over pathless ground, but never overly technical in good weather. You can climb it on its own or link it with nearby peaks such as Slieve Donard, making for a truly memorable day in the heart of the Mournes.
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I was lucky to see them at their best today, beautiful 😍
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Congratulations, you've made it up the mighty Slieve Donard. Being the highest of the Mourne Mountain peaks, this is an incredible achievement. Take a well-earned rest and enjoy the phenomenal views across the stunning Mournes and out to the Irish Sea.
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Hare's Gap is the most beautiful and dramatic mountain pass in the whole of the Mournes mountain range. It was once a smugglers hotspot, with people often carrying contraband, such as soaps and spices, through here from the coast along the Brandy Pad.
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Tollymore Forest Park is rich in natural beauty. You can explore the pristine Shimna River, which flows from the Mourne Mountains and is crossed by 16 historic bridges. The park also boasts Ireland's oldest arboretum, featuring an extraordinary collection of exotic trees like magnificent Himalayan Cedars and a Giant Redwood. Don't miss the various natural caves and grottos along the river, or the elevated paths of The Drinns for panoramic views.
Yes, several areas are suitable for families. Within Tollymore Forest Park, the arboretum and walks along the Shimna River offer gentle paths. For a specific natural monument, Hare's Gap is listed as family-friendly, offering dramatic views and a sense of adventure, though some sections can be challenging. The Silent Valley Reservoir also provides well-kept paths and a peaceful environment for family strolls.
Tollymore is a nature preserve for local wildlife. Keep an eye out for badgers, foxes, otters, and pine martens. The Shimna River is a habitat for salmon, otters, and kingfishers, making it an excellent spot for birdwatching and wildlife spotting.
For breathtaking vistas, the elevated paths of The Drinns within Tollymore Forest Park offer spectacular views of Bryansford, Castlewellan, and Slieve Croob. Higher up, Summit of Slieve Donard, Northern Ireland’s highest peak, provides panoramic views that can extend to the Isle of Man and Scotland on clear days. Hare's Gap also offers dramatic views across the Mourne Mountains.
Experienced hikers will appreciate the challenge of reaching the Summit of Slieve Donard, which is Northern Ireland's highest peak. Another demanding climb is Slieve Bearnagh, the 4th highest peak in the Mournes, known for its rocky tors and requiring some scrambling. The Mourne Wall itself, which traverses 15 peaks, presents a significant challenge for those looking to complete the full circuit.
Yes, there are various cycling opportunities. For gravel biking, you can find routes like the 'View of Castlewellan Castle – Castlewellan Lake loop' which is an easy ride. Road cyclists can explore options such as the 'Spelga Reservoir loop' or the more challenging 'Climb by Rostrevor Forest – Spelga Reservoir Hill Climb loop'. You can find more details on these and other cycling routes in the Cycling around Tollymore Park guide.
The natural monuments around Tollymore Park offer beauty throughout the year. Spring brings vibrant new growth and blooming flora, while autumn showcases spectacular foliage colors, especially within the arboretum. Summer provides longer daylight hours for extended exploration, and winter, though colder, can offer crisp views and a serene atmosphere, particularly in the higher Mournes. Always check weather conditions before heading out, especially for mountain hikes.
Tollymore Forest Park itself has a rich history, with its ancient arboretum established around 1752 and historic bridges along the Shimna River, some dating back to 1726. In the wider area, the Mourne Wall is a significant historical and engineering feat, taking almost 20 years to build and traversing 15 peaks. The Hare's Gap mountain pass was also historically used as a smugglers' route.
Within Tollymore Forest Park, the arboretum stands out with its extraordinary collection of exotic trees, including magnificent Himalayan Cedars that create a 'natural cathedral' and a significant Giant Redwood. The unique geological formations of Slieve Bearnagh, with its two giant rocky tors, also make it a distinctive natural monument in the Mourne Mountains.
Visitors frequently praise the scenic beauty and tranquility, highlighting the combination of lush woodlands, the flowing Shimna River, and stunning mountain views. The diverse walking trails cater to all levels, allowing for immersive experiences. Many also appreciate the historical and ecological significance, from the ancient arboretum to the impressive Mourne Wall. The opportunity for wildlife observation and the area's connection to popular culture, like *Game of Thrones* filming locations, also add to its appeal.
Tollymore Forest Park has designated car parks within its grounds. For accessing the higher Mourne natural monuments like Slieve Bearnagh and Hare's Gap, the Cecil Newman Car Park is a common starting point. Always check local signage for parking regulations and fees.
Yes, Tollymore Forest Park offers a range of marked trails suitable for different fitness levels. Easy strolls can be enjoyed through the ancient arboretum and along the banks of the Shimna River, where you can discover caves and grottos. The Silent Valley Reservoir also provides accessible, well-kept paths for a peaceful walk amidst stunning scenery.


Extend your search for the best caves by checking out these guides of the top ones around Tollymore Park: