4.3
(3)
73
riders
4
rides
Mountain biking around Drennan offers routes that traverse varied landscapes, from parklands to lake loops. The area features trails that include sections through demesnes and along lough shores. Elevation changes are present, with some routes offering moderate climbs and others remaining relatively flat. The terrain primarily consists of established paths suitable for mountain biking.
Last updated: June 27, 2026
63.6km
03:35
410m
410m
Embark on the Nendrum Monastic Site & Belvoir Park loop from Saintfield, a moderate mountain biking adventure spanning 39.5 miles (63.6 km) with an elevation gain of 1346 feet (410…
3.0
(1)
1
riders
59.7km
03:18
330m
330m
Embark on a moderate mountain biking adventure from Lisburn, leading you to the scenic Lurgan Park. This route covers 37.1 miles (59.7 km) with an elevation gain of 1069 feet…

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54.1km
04:02
970m
980m
Start your mountain biking adventure on the Castlewellan Lake loop, a difficult 33.6-mile (54.1 km) route that climbs 3196 feet (974 metres) over approximately 4 hours and 1 minute. This…
5.0
(1)
43
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
20
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Nendrum Monastery was a Christian monastery founded in the 5th century. The monastery finished somewhere between 974 and 1178, but the church survived until the 15th century. You can visit the ruins if you're riding past.
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Located in South Belfast and once a private estate, Barnett Demesne is now a public park since 1951. The park itself includes plenty of walk/hike opportunities, gardens, an arboretum & a children's playground.
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Located in South Belfast and once a private estate, Barnett Demesne is now a public park since 1951. The park itself includes plenty of walk/hike opportunities, gardens, an arboretum & a children's playground.
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This is the best example in Northern Ireland of a pre Norman ecclesiastical enclosure with its buildings. Nendrum is associated with St Mochaoi who died at the end of the 5th century, and is linked with St Patrick in a much later source. Notices of Nendrum clergy, including three bishops, begin in the 7th century and the excavation of a sophisticated tide mill on the shore near the site has shown that the mill was active in the early 7th century, which underlines the early importance of Nendrum. References continue until a fire in 976, perhaps a Viking raid, when the head of the church (erenagh) was burned in his house. In the late 12th century a small Benedictine monastic cell was founded on the site, but by 1302–1306 this was the parish church, abandoned for Tullynakill on the mainland in the 15th century. H.C. Lawlor excavated the site from 1922 to 1924, when enclosure walls, church and round tower were restored. The glacial hill is crowned with three concentric walled enclosures, irregularly oval in plan. Little is known of the outer cashel, only partly in state care. In the middle cashel on the south-west side are circular platforms for huts, which excavation suggested were craft workshops, and a rectangular building known as the ‘schoolhouse’, also a workshop. In the inner cashel were the most important buildings, including the church with its graveyard and the base of a round tower north-west of the church. The west wall of the church was rebuilt in the 1920s, incorporating a reconstructed sundial at the south-west corner. Finds from the 1920s excavation, including the well-known bell of Nendrum, are in the Ulster Museum and Down Museum at Downpatrick. Underwater archaeological work in the 1990s showed that there is a stone jetty south-east of the enclosure, now inundated in the lough, and medieval pottery was found close by. ( source: department of communities )
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Love spending time here. There is a park bench to the far east corner, and to the left of that hosts one of the best views of the Lough. When tides out you can see traces of the old Salmon fisheries. Its so quiet, and there is a picnic area just to the side of the visitors centre. The site also boasts fragments of an early Sun Dial that have been placed by the entrance to the Church.
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Craigavon Balancing Lakes, referred locally as 'The Lakes' are a set of man-made lakes built in the 1970s to control flooding. The route around the lakes is entirely flat and follows a mixture of paved and gravel paths close to the shoreline, which creates some wonderful water views as you jog along.
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Best example of a pre-Norman monastic site in Northern Ireland. From around the 5th century, it's a stunning location nestled on the islands jutting into Strangford Lough.
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The mountain biking trails around Drennan primarily feature a mix of parkland paths, lake loops, and routes through demesnes. You'll find varied terrain, from relatively flat sections to those with moderate climbs.
There are 4 mountain bike routes detailed in this guide for the Drennan area, offering a range of experiences for different skill levels.
Yes, for an easier ride, consider the Barnett Demesne Jump Track – Barnett Demesne Stone Bridge loop from Lagan, which is 4.8 miles (7.7 km) long with minimal elevation gain. Another easy option is the Barnett Demesne Stone Bridge – Barnett Demesne Jump Track loop from Lagan Valley AONB, at 2.6 miles (4.2 km).
For a more challenging experience, the Castlewellan Lake loop from Ballynahinch is classified as difficult. This 33.6 miles (54.1 km) route features significant elevation gain, making it a demanding ride.
Among the most popular routes are the Nendrum Monastic Site & Belvoir Park loop from Saintfield, which combines parkland and loughside riding, and the Lurgan Park lake loop from Lisburn, offering scenic views around a lake.
The trails in the Drennan area are highly rated by the komoot community, with an average score of 4.3 stars from 3 reviews. Over 80 mountain bikers have used komoot to explore these routes, appreciating the varied terrain and scenic loops.
Yes, all the featured mountain bike routes around Drennan are designed as loops. Examples include the Nendrum Monastic Site & Belvoir Park loop from Saintfield and the Lurgan Park lake loop from Lisburn.
Trail distances vary significantly. You can find shorter loops like the Barnett Demesne Stone Bridge – Barnett Demesne Jump Track loop from Lagan Valley AONB at 2.6 miles (4.2 km), up to longer rides such as the Nendrum Monastic Site & Belvoir Park loop from Saintfield, which is 39.5 miles (63.6 km).
While riding, you might encounter scenic spots like Shaw's Bridge, sections of the Lagan Towpath, and the Lagan Meadows Nature Reserve. For panoramic views, consider visiting the Sir Thomas and Lady Dixon Park Rose Garden and Stone Monoliths.
Yes, several trails offer water views. The Lurgan Park lake loop from Lisburn circles a lake, providing continuous water vistas. The Nendrum Monastic Site & Belvoir Park loop from Saintfield also includes loughside riding sections.


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