Natural monuments around Altacamcosy offer a diverse landscape for exploration. The region features geological formations shaped by glacial activity, such as gaps and mountain passes, alongside ancient historical sites. Located near the Sperrin Mountains, Altacamcosy provides opportunities to observe unique geological features and historical markers. The area's natural and historical sites are accessible for those seeking outdoor experiences.
Last updated: June 30, 2026
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High above Cookstown, at the foot of the impressive Sperrin Mountains, you will find the Beaghmore Stone Circles. This is one of Ireland's most fascinating archaeological sites. Only rediscovered in the 1940s during peat cutting, the bog revealed a complex of seven stone circles, ten stone rows, and numerous Bronze Age burial mounds. For a cyclist, the road to Beaghmore is an experience in itself. The route takes you away from the inhabited world into a vast, quiet landscape where the wind has free rein. The complex itself exudes an enormous sense of peace and is the perfect place to get off your bike and soak up the prehistoric atmosphere.
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Mullaghclogha is a 635m high summit located in the beautiful Sperrins mountains of Northern Ireland. The hilltop produces views all over the incredible mountain range of the Sperrins including the nearby Mullaghdoo, Sawel & Dart peaks.
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Beaghmore (Bheitheach Mhór), meaning ‘big place of birch trees’. The stones speak of ancient rituals and to a people who understood astronomy. When you visit this ancient site look up in wonder at the sky and reflect, that the people that built these monuments observed the same sky, sun, moon and stars.
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Formed from a glacial overflow, Barnes Gap is truly breathtaking. On your way up, don't forget to take in the spectacular views. The gap cuts through the east-west crest line of the southern Sperrin Mountains ridge, between the hills of Mullaghbane and Mullaghbolig.
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There are 7 stone circles, 12 cairns and 10 rows of stones here at Beaghamore. In total 1269 stones were discovered under the peat during the 1930s. The site dates back to 2900 - 2600 BC.
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Ogham Stones are rare in Northern Ireland and this is the only one in County Tyrone. It is marked with an ancient alphabet, thought to be the earliest form of the Irish language. It reads; 'Do Te Tto Maqi Maglant'. This refers to two males. 'Maqi' means 'son of'.
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The beautiful winding road of Tamnagh takes you through the heart of Sperrins AONB. You can enjoy views toward the Sperrins ridge including mountains Sawel, Dart, and Mullaghdoo. It's a tough climb up in this section, but the views at the top will make it all worthwhile.
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The Altacamcosy region is known for its geological formations shaped by glacial activity. A prime example is Barnes Gap, a natural monument formed from a glacial overflow that cuts through the southern Sperrin Mountains ridge, offering impressive views between the hills of Mullaghbane and Mullaghbolig.
Yes, the region boasts significant historical sites. The Beaghmore Stone Circles are a complex of early Bronze Age megalithic features, including stone circles and cairns, dating back to 2900-2600 BC. Another notable site is the Aghascrebagh Ogham Stone, one of the few ogham stones in Ulster, bearing an ancient script.
The area around Altacamcosy offers various outdoor activities, particularly hiking and road cycling. You can find numerous routes, from easy forest trails to challenging mountain climbs. For hiking, explore options like the 'An Creagán, Forest and River Trail' or the 'Gortin Glen Lakes loop'. Road cyclists can enjoy routes such as the 'An Creagan Visitor Centre loop'. You can find more details on these activities in the hiking guide and road cycling guide for Altacamcosy.
Yes, there are several easy hiking trails suitable for a relaxed exploration of the area. Options include the 'An Creagán, Forest and River Trail' and the 'Gortin Glen Lakes loop'. These trails are perfect for enjoying the natural beauty without strenuous effort. For more easy options, refer to the easy hikes guide around Altacamcosy.
Many natural monuments in the Altacamcosy region are family-friendly. For instance, the Beaghmore Stone Circles offer an engaging historical experience for all ages, with plenty of space to explore. When planning, consider the difficulty of nearby trails if you intend to combine your visit with a hike.
For breathtaking views, head to Barnes Gap, which offers spectacular vistas across the southern Sperrin Mountains ridge. Another excellent spot is Mullaghclogha Summit, a 635m high peak providing panoramic views over the Sperrins, including Mullaghdoo, Sawel, and Dart peaks. Additionally, the View of the Sperrins Ridge along Tamnagh road offers stunning perspectives of the mountain range.
Visitors appreciate the blend of ancient history and stunning natural landscapes. The Beaghmore Stone Circles are often highlighted for their mystical atmosphere and historical significance, inviting reflection on ancient astronomy. The exceptional natural beauty and breathtaking views at sites like Barnes Gap are also frequently praised.
The natural monuments around Altacamcosy are generally enjoyable year-round. However, for the most pleasant hiking and outdoor exploration, late spring to early autumn (May to September) offers milder weather and longer daylight hours. During these months, the landscapes are vibrant, and conditions are ideal for taking in the views and historical sites.
While specific parking details for each site are not always listed, most natural monuments and popular outdoor areas in the Altacamcosy region typically have designated parking areas nearby, especially for well-known attractions like the Beaghmore Stone Circles. It's advisable to check local signage upon arrival.
Many outdoor natural monuments in the Altacamcosy region are dog-friendly, especially those with open spaces like the stone circles or mountain passes. However, it's always best to keep dogs on a leash and be mindful of any specific signage or regulations at individual sites, particularly around historical monuments or areas with livestock.
Given the varied terrain and often changeable weather in the Sperrin Mountains region, it's recommended to wear comfortable, layered clothing. Sturdy walking shoes or hiking boots are essential, especially if you plan to explore trails or uneven ground. A waterproof jacket is also advisable, regardless of the season, to prepare for sudden showers.
While the main highlights are well-known, exploring the wider Sperrin Mountains area can reveal lesser-known spots. The Aghascrebagh Ogham Stone, as one of Ulster's few ogham stones, offers a unique historical insight that might be considered a hidden gem for those interested in ancient languages and history. Venturing off the main paths on local trails can also lead to serene and less-frequented natural viewpoints.


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