Best attractions and places to see around Formil include a mix of natural and historical sites within its forested landscapes. The region features ancient oak woodlands and areas of natural beauty, offering diverse outdoor experiences. Visitors can explore unique man-made monuments and serene natural settings. Formil presents opportunities for discovering hidden gems and engaging with the local environment.
Last updated: July 1, 2026
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Enjoy some peace and serenity as you jog along the shores of the beautiful and calm Altnaheglish Reservoir, situated in the Sperring Area of Natural Beauty. The reservoir is located in the Banagher Forest, which is home to some of the oldest ancient oak woodlands in Ireland. It's a true place of beauty!
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The climb up Carntogher is a bit of a leg burner, but the views at the top make it all worthwhile. From the peak, you'll be afforded views across Lough Foyle to Errigal and Muckish in Donegal, Sawel and the high Sperrins, and south-east to The Mournes and Slieve Gullion.
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If you walk 100m slightly off the path south at this waypoint, you'll reach the beautiful little Altkeeran Waterfall. The waterfall is situated nearby to the spring Source Of The Grillagh and the peak Carntogher.
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It's quite an unusual experience stumbling into a pyramid in the middle of an Irish forest! This pyramid was built in the 19th century as a burial chamber for Lord Garvagh and is a lovelly feature to the forest today.
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Enjoy some peace and serenity as you walk along the shores of the beautiful and calm Altnaheglish Reservoir, situated in the Sperring Area of Natural Beauty. The reservoir is located in the Banagher Forest, which is home to some of the oldest ancient oak woodlands in Ireland. It's a true place of beauty!
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Yes, Formil offers several family-friendly attractions. The Woven Deer Sculptures in Garvagh Forest are a delightful discovery for all ages, featuring beautiful weaved structures. Another great option is the Altnaheglish Reservoir, where families can enjoy peaceful walks along the shores within the Banagher Forest, known for its ancient oak woodlands.
For those interested in history, the Garvagh Pyramid is a unique 19th-century burial chamber located unexpectedly within an Irish forest. Additionally, the Carntogher Summit Cairn, while primarily a viewpoint, also holds historical significance as a natural monument and summit.
Formil is rich in natural beauty. You can visit the Altkeeran Waterfall, a beautiful little waterfall slightly off the main path. The Altnaheglish Reservoir offers serene lake views within the Sperrins Area of Natural Beauty. For panoramic vistas, hike up to the Carntogher Summit Cairn, which provides extensive views across Lough Foyle and the surrounding mountains.
Yes, the Formil area offers excellent hiking opportunities. You can find trails like the 'Carntogher Way' or 'Garvagh Forest loop' which are suitable for various skill levels. For more detailed information and routes, explore the Hiking around Formil guide.
Beyond hiking, Formil is great for other outdoor pursuits. There are numerous running trails, such as the 'Altkeeran Waterfall loop' or routes through Garvagh Forest, detailed in the Running Trails around Formil guide. Road cyclists can also find routes like the 'Lough Neagh loop' or tours incorporating the Garvagh Pyramid, available in the Road Cycling Routes around Formil guide.
The best time to visit Formil's outdoor attractions is generally from spring through autumn (April to October), when the weather is milder and the natural landscapes are in full bloom or displaying vibrant autumnal colors. Summer offers the longest daylight hours, ideal for extended exploration. However, the forests can be atmospheric even in winter for those seeking a quieter experience.
Formil holds some truly unique spots. The Woven Deer Sculptures in Garvagh Forest are a charming and unexpected artistic find. The Garvagh Pyramid offers an unusual historical discovery in a forest setting. For a tranquil natural escape, seek out the Altkeeran Waterfall, which is a beautiful little spot slightly off the main path.
Visitors frequently praise the unique experiences offered, such as stumbling upon the Garvagh Pyramid in the middle of a forest. The peaceful serenity of places like Altnaheglish Reservoir and the rewarding views from the Carntogher Summit Cairn are also highly appreciated. The blend of natural beauty and unexpected discoveries makes the area memorable.
Many of Formil's natural attractions, particularly those within forest areas like Garvagh Forest where the Woven Deer Sculptures and Garvagh Pyramid are located, are generally dog-friendly. The trails around Altnaheglish Reservoir also provide pleasant walks for you and your dog. Always ensure dogs are kept on a leash and follow local guidelines, especially around wildlife.
Yes, there are several easy walking options. The paths within Garvagh Forest, leading to attractions like the Woven Deer Sculptures and the Garvagh Pyramid, are generally considered easy and enjoyable. The walks around Altnaheglish Reservoir also offer gentle terrain suitable for a relaxed stroll.
Absolutely. The Carntogher Summit Cairn is the prime viewpoint in the area. From its peak, you can enjoy breathtaking views across Lough Foyle, Errigal, Muckish in Donegal, the high Sperrins, and even as far as The Mournes and Slieve Gullion on a clear day.
While the Altnaheglish Reservoir offers beautiful waters, it's primarily for scenic enjoyment and walking. For wild swimming, it's best to research local regulations and safety information for specific spots in the wider region, as direct wild swimming opportunities at the listed attractions are not explicitly highlighted.


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