4.5
(20)
831
riders
90
rides
Road cycling routes around Clarkill traverse a landscape characterized by rolling hills, dense forests, and scenic reservoirs. The region offers varied terrain, including coastal roads and climbs, providing diverse experiences for road cyclists. Many routes pass by historical sites and offer views of the surrounding countryside.
Last updated: August 11, 2026
37
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
36
riders
52.6km
02:16
400m
400m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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21
riders
37.5km
01:48
540m
540m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
26
riders
87.7km
03:51
800m
800m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
67.4km
02:58
660m
660m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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A great little cafe set in the bike shop, with great coffee and a nice variety of sweet goodies.
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The vast coastline stretches out endlessly before you, and the panorama with the majestic Mourne Hills in the background creates a scene that is hard to put into words. The gentle waves touching the sand and the silence of the surroundings make you feel the vastness and freedom of this place.
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This historic 12th century building is a typical example of an Anglo-Norman motte with a kidney-shaped bailey. The 7.6m high mound, which once housed a wooden tower, was later replaced by a stone tower house, the ruins of which can still be seen today. Access is via Clough's main road; there is a small car park, but it is not always well signposted. Access is usually permitted. The surrounding countryside, with views of the Mourne Mountains, offers a tranquil atmosphere that invites you to linger.
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The gently ascending road winds through a wide, open landscape, surrounded by grassy hills and breathtaking silence. Only the wind and the quiet hum of the tires accompany you here as your gaze wanders into the distance. The climb may be challenging, but the view that opens up with every meter of altitude is worth the effort. Once at the top, you feel free and rewarded, as if you have conquered a piece of nature and then the reward comes with the descent.
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The motte and bailey dates to c.1200 and is an excellent example of an Anglo-Norman earthwork castle. The taller mound, the motte, was built of earth to provide a look-out position and the central defence. Excavations at the top of the motte during the 1950s uncovered a wooden palisade which originally extended around the summit. When you climb the motte you realise what an important position the castle is in, over looking the routes east to Downpatrick, south to Dundrum and north to Belfast Lough. The views from the top of the motte west to Slieve Croob are particularly fine.
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The perfect meeting spot to start any run in this area. From this point you can head either into Rostrevor village, out towards Killowen, into Kilbroney park or head north alongside the river.
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The beautiful Dundrum Castle is located on a hilltop near Dundrum village. Its elevated position provides fantastic panoramic views across Dundrum, the Carrigs Estuary, the Mourne Mountain range and out to the Irish Sea. The castle itself was constructed by John de Courcy at the beginning of the 13th century. It's a fine example of a historic medieval castle of its time.
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Road cycling routes around Clarkill feature a diverse landscape of rolling hills, dense forests, and scenic reservoirs. You'll encounter varied terrain, including coastal roads and significant climbs, offering a range of experiences for cyclists. The region is known for its paved pathways and extensive trail systems, similar to the Lewis Clark Valley, providing smooth surfaces for road biking.
Yes, Clarkill offers routes for various ability levels. While many routes include moderate to challenging climbs, there are also easier options available. Overall, there are 13 easy routes out of 114 total routes in the area, providing gentler rides for those new to road cycling or seeking a more relaxed experience.
Many routes pass by historical sites and offer views of the surrounding countryside. You can encounter natural monuments and viewpoints such as Slieve Bearnagh, Slieve Croob Summit, and the Summit of Slieve Donard. Routes like the Clough Castle Ruins – Dundrum Castle loop from Castlewellan specifically take you through historical sites.
Yes, many of the road cycling routes around Clarkill are designed as loops, allowing you to start and finish in the same location. For example, the popular Climb by Rostrevor Forest – Spelga Reservoir Hill Climb loop from Castlewellan and the Warrenpoint Shore Road – Climb by Rostrevor Forest loop from Castlewellan are both circular routes.
The Lewis Clark Valley, which shares similar characteristics with Clarkill, is accessible year-round for outdoor activities. However, for optimal road cycling conditions, spring and autumn generally offer the most pleasant weather with moderate temperatures and less extreme conditions. Summer can also be excellent, though it might be warmer.
Yes, some routes are known to pass by places where you can stop for a break. For instance, the Scarva Village – The Yard Café loop from Castlewellan specifically highlights a cafe stop, making it a good option if you enjoy combining your ride with a refreshment break.
The routes in Clarkill offer a range of challenges. Out of 114 total routes, 78 are rated as moderate, and 23 are considered difficult, featuring significant elevation gains. For example, the Climb by Rostrevor Forest – Spelga Reservoir Hill Climb loop from Castlewellan includes an elevation gain of over 880 meters, providing a substantial challenge.
The road cycling routes in Clarkill are highly rated by the komoot community, with an average score of 4.5 stars from over 19 reviews. Cyclists often praise the varied terrain, which includes coastal roads, forested climbs, and reservoir views, as well as the options available for different ability levels.
Yes, road cycling around Clarkill is defined by coastal roads. The Warrenpoint Shore Road – Climb by Rostrevor Forest loop from Castlewellan is a prime example, leading through coastal areas and forested hills, providing beautiful seaside vistas.
There are over 100 road cycling routes available around Clarkill, with a total of 114 routes documented. This extensive network provides numerous options for exploring the region by bike.
Absolutely. Clarkill is known for its challenging climbs. Many routes feature substantial elevation gains, such as the Climb by Rostrevor Forest – Spelga Reservoir Hill Climb loop from Castlewellan, which includes over 880 meters of ascent, perfect for those seeking a strenuous workout.
Yes, many routes traverse dense forests. The Climb by Rostrevor Forest loop from Castlewellan is a great example, taking you through beautiful forested areas, offering a shaded and scenic ride.


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