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Mountain biking around Gransha offers access to the diverse and challenging terrain of the Inishowen Peninsula in County Donegal. The region features a dramatic blend of rugged mountains, glens, and scenic coastal paths. Mountain bikers can explore areas characterized by lonely hills, forests, and trails alongside Lough Swilly and Buncrana Bay. This varied topography provides opportunities for both challenging climbs and fast descents.
Last updated: October 29, 2026
12
riders
Easy mountain bike ride.
2
riders
58.6km
03:37
750m
750m
Moderate mountain bike ride. Good fitness required.

2
riders
52.6km
03:50
840m
840m
Moderate mountain bike ride. Good fitness required.
2
riders
66.8km
04:02
730m
730m
Moderate mountain bike ride. Good fitness required.
2
riders
Hard mountain bike ride. Very good fitness required.
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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FACEBOOK (History of Newcastle, Co. Down, Hore's Bridge, 2026-08-15): https://www.facebook.com/HistoryofNewcastleCo.Down/photos/hores-bridge-over-the-spinkwee-river-sw-tollymore-was-built-in-1824-the-date-is-/754755631362196/ “… Hore's Bridge over the Spinkwee River, SW Tollymore, was built in 1824. …”
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In mid-April, you are greeted by a wonderful scent that comes from the flowering bushes beside the path - perhaps laurel? The fresh breeze mixes with the intense aroma that gives nature something very special. The bridge itself is surrounded by a quiet forest, which makes the crossing seem like a small oasis of relaxation. A brief moment that invites you to take a deep breath before heading back out onto the road.
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Super nice break spot
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A very beautiful castle in the forest
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A beautiful reservoir surrounded by forest including a beautiful castle
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A different way of crossing the river, simply from stone to stone
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In this enchantingly beautiful forest with bridges and remains of walls, scenes for Game of Thrones were filmed and we also find light trees, forklifts and signposts to Scene 1 to 3 in the middle of the forest for various shots. We even meet Game of Thrones fans in costumes on a bridge - or were we unnoticed extras in a film?
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Komoot features 5 mountain bike trails around Gransha. These routes offer a mix of difficulties, including 1 easy, 3 moderate, and 1 difficult trail, allowing riders to choose paths that suit their skill level.
Yes, for families looking for a gentler ride, the View of Mourne AONB – Castlewellan Lake loop from Dollys Brae Car Park is an easy 3.7-mile (5.9 km) trail that takes about 33 minutes to complete. It offers scenic views suitable for a family outing. Additionally, the region's coastal paths, like the one along Buncrana Bay, can provide pleasant, less strenuous cycling experiences.
The terrain around Gransha is incredibly diverse, offering a mix of rugged mountains, glens, and scenic coastal paths. You'll find lonely, rugged hills like the Urris Hills and Slieve Sneacht, alongside trails through forests such as Drumkeeragh Forest. The area also features paths along Lough Swilly and Buncrana Bay, providing both challenging climbs and fast descents, as well as more gentle, picturesque routes.
Yes, many of the trails around Gransha are designed as loops. For example, the easy View of Mourne AONB – Castlewellan Lake loop from Dollys Brae Car Park is a circular route. Other longer loops include the moderate Dromore Motte and Bailey – Drumkeeragh Forest loop from Ballyroney Road, which takes you through varied forest terrain.
The region is rich in natural beauty. While riding, you might encounter the dramatic landscapes of the Inishowen Peninsula, including views of Lough Swilly and Buncrana Bay. For specific points of interest, consider visiting Slieve Croob Summit for panoramic views, or exploring trails that pass by the historic River Crana. The Glenevin Waterfall, a spectacular 40-foot cascade, is also a short detour from some routes, offering a refreshing break.
Yes, experienced riders will find challenging options. The Drumkeeragh Forest – Castlewellan Lake loop from Dromore Cathedral of Christ the Redeemer is a difficult 40.9-mile (65.9 km) trail with significant elevation gain, often completed in over 4 hours. The wider Inishowen Peninsula also features demanding climbs like Mamore Gap, known for its steep ascent and rewarding views.
While specific trail regulations for dogs can vary, many natural areas in Ireland welcome well-behaved dogs on leads. It's always best to check local signage or the specific trail's guidelines before heading out. For a gentler experience with your dog, the 8km looped path at the Inch Wildfowl Reserve offers a pleasant walk or cycle, though specific mountain biking may be restricted.
The region around Gransha offers mountain biking opportunities throughout the year, but the best time often depends on weather preferences. Spring and summer (April to September) generally provide milder weather and longer daylight hours, making for more comfortable rides. Autumn brings beautiful foliage, while winter can offer a different, more rugged experience, though trails may be wetter and more challenging. Always check local weather forecasts before you go.
Absolutely. The region is part of the scenic Wild Atlantic Way, and many trails offer stunning coastal views. A scenic shoreline trail extends approximately 6km along Buncrana Bay, providing views across Lough Swilly and passing small coves and beaches like Lady's Bay and Porthaw. This path is excellent for enjoying the sea air and picturesque waterscapes.
For broader information on cycling routes and activities in the Buncrana and Inishowen Peninsula, you can visit the official Go Visit Donegal website. They provide details on various cycling options, including mountain biking, gravel, and road cycling, catering to different preferences and skill levels. Check out govisitdonegal.com for more details.
Yes, several trails around Gransha lead through beautiful forested areas. The moderate Dromore Motte and Bailey – Drumkeeragh Forest loop from Ballyroney Road and the difficult Drumkeeragh Forest – Castlewellan Lake loop from Dromore Cathedral of Christ the Redeemer both traverse Drumkeeragh Forest, offering varied terrain and the serene atmosphere of ancient woodlands.
The longest mountain bike trail listed is the View of Castlewellan Castle – Castlewellan Lake loop from Ballyroney Road, a moderate route spanning 41.9 miles (67.4 km). This trail offers a substantial ride for those looking to cover a significant distance.


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