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Road cycling routes
United Kingdom
Northern Ireland

Down

The best road cycling routes in Down

4.6

(28)

1,573

riders

220

rides

Road cycling in Down offers diverse and picturesque landscapes, from coastal scenery to rolling countryside and dramatic mountain backdrops. The region features the Mourne Mountains, providing challenging routes with significant elevation, and the tranquil shores of Strangford Lough, which offer flatter, scenic rides. Cyclists can explore a mix of terrain, including quiet country roads, forest park perimeters, and routes passing through charming villages.

Best road cycling routes in Down

  • The most popular road cycling route is Spelga Reservoir loop from Newcastle – Mourne, a 29.8 miles (48.0 km) trail that takes 2 hours 28 minutes to complete. This route offers views within the Mourne Mountains, including the Spelga Reservoir.
  • Another top favourite among local road cyclists is Strangford & Castleward loop from Newcastle, a difficult 61.1 miles (98.4 km) path. This route explores the coastal areas around Strangford Lough and passes by Castle Ward.
  • Local road cyclists also love the Downpatrick to Ballynahinch loop, a 38.5 miles (62.0 km) trail leading through the countryside between these towns, often completed in about 2 hours 58 minutes.
  • Road cycling in Down is defined by coastal scenery, the Mourne Mountains, and the shores of Strangford Lough. The network offers options for various ability levels, from moderate countryside loops to more challenging mountain climbs.
  • The routes in Down are highly rated by the komoot community with an average score of 4.5 stars from over 20 reviews. More than 1600 road cyclists have used komoot to explore Down's varied terrain.

Last updated: July 7, 2026

4.5

(6)

96

riders

#1.

Spelga Reservoir loop from Newcastle – Mourne

48.0km

02:28

710m

710m

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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Moderate

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard
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2

riders

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Hard road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

Hard

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Popular around Down

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Cycling Collection by

Alice Baddeley

Tips from the Community

Scotty C
December 6, 2024, The Yard Café

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 ancient stone arches are perfectly reflected in the calm water, creating an image of timeless elegance. Cycling along here almost feels like a journey back in time - as if you are capturing a moment in another time.

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This historic 10th century tower stands in idyllic countryside and offers a fascinating insight into Ireland's early Christian history. Access is via narrow country lanes; there is a small car park but it is not always well signposted. The tower is on private farmland but access is usually permitted.

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The well-signposted mountain bike trails take you through dense forests and offer breathtaking views of Carlingford Lough and the Mourne Mountains. The descent from the Cloughmore Stone, a huge boulder that was transported here during the last ice age, is a particular highlight. However, some sections are technical and require a certain level of riding technique. The trails can become slippery in wet weather, so caution is advised. Another plus point is the proximity to the charming village of Rostrevor, where you can relax in one of the cafes after the tour.

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The small, historic port provides a charming setting with views of the Mourne Mountains and the sea. The promenade is well maintained and is great for a relaxing cruise along the coast. However, it can get quite busy in good weather and at weekends, which can slow down the journey. A highlight is the proximity to Murlough National Nature Reserve, which is just a few kilometers away and is ideal for further exploration. Note, however, that some sections of the promenade can be slippery when wet, so care must be taken.

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There’s heaps to do when you visit Kilbroney park so bring a picnic, kids, dogs, bikes, walking boots and enjoy the day. Start at the Visitor Centre and learn about the forest and extraordinary Cloughmore Stone. There are tennis courts, play area, sports fields, an arboretum, walking and bike trails in the forest. Fiddler’s Green was once used for local entertainment and festivals.

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Frequently Asked Questions

How many road cycling routes are available in Down?

There are over 250 road cycling routes in Down, offering a wide variety of experiences. These include routes ranging from easy, family-friendly rides to challenging mountain climbs, ensuring options for all skill levels.

What kind of terrain can I expect when road cycling in Down?

Road cycling in Down offers diverse terrain. You'll find tranquil coastal scenery, rolling countryside, and dramatic mountain backdrops, particularly in the Mourne Mountains. Routes around Strangford Lough tend to be flatter, while the Mournes and Slieve Croob provide significant climbs and exhilarating descents.

Are there road cycling routes suitable for beginners or families in Down?

Yes, Down offers numerous routes suitable for beginners and families. Around 65 routes are classified as easy. The shores of Strangford Lough provide gentle undulations, and areas like Castlewellan Forest Park offer very easy cycling around the lake, ideal for families. The Comber Greenway is also a traffic-free option.

Where can I find challenging road cycling routes in Down?

For challenging road cycling, the Mourne Mountains are a prime destination, offering routes with significant elevation gain and stunning views. Slieve Croob also provides strenuous but rewarding climbs. Routes like the Climb by Rostrevor Forest – Spelga Reservoir Hill Climb loop from Newcastle are classified as difficult, featuring over 1000 meters of elevation gain.

What are some scenic viewpoints or attractions I can see along road cycling routes in Down?

Many routes in Down pass by breathtaking viewpoints and attractions. You can cycle past the Slieve Croob Summit, offering panoramic views, or experience the majestic Summit of Slieve Donard. The Tollymore Forest Park and Hare's Gap also offer picturesque scenery. The Silent Valley Reservoir and Lough Reavy Reservoir are also notable sights within the Mournes.

Are there any circular road cycling routes in Down?

Yes, many road cycling routes in Down are circular, allowing you to start and finish at the same point. Examples include the Spelga Reservoir loop from Newcastle – Mourne and the Downpatrick to Ballynahinch loop. The Strangford Lough Cycle Trail is also an 82-mile circular route.

What is the best time of year for road biking in Down?

The best time for road biking in Down is generally from spring through autumn, when the weather is milder and daylight hours are longer. However, the diverse landscapes offer unique beauty year-round. Always check local weather forecasts, especially when planning routes in the mountains.

Are there any routes that pass by historical or cultural sites?

Absolutely. Many routes in Down integrate historical and cultural sites. For instance, the Strangford & Castleward loop from Newcastle passes by Castle Ward. Other routes may take you past Inch Abbey, Downpatrick St Patrick Centre, Scrabo Tower, and the Nendrum monastic site, adding a rich cultural dimension to your ride.

What do other road cyclists enjoy most about road cycling in Down?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 20 reviews. Cyclists often praise the diverse and picturesque landscapes, from the dramatic Mourne Mountains to the tranquil shores of Strangford Lough, and the variety of routes catering to all abilities.

Are there any road cycling routes that offer views of the sea or loughs?

Yes, County Down is renowned for its coastal and lough-side cycling. The Mourne Coastal Route offers breathtaking sea and mountain vistas. Routes around Strangford Lough, such as the Killough–Strangford Loop – Ballyhornan Beach loop from Crossgar, provide stunning views of the lough and the Irish Sea. You can also spot Lough Reavy Reservoir within the Mournes.

Can I find routes that are relatively flat for a relaxed ride?

For a more relaxed, flatter ride, consider routes along the shores of Strangford Lough. The western shores, in particular, offer fine views with gentle undulations. The Comber Greenway also provides a traffic-free, flat path ideal for leisurely cycling.

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