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Road cycling routes
United Kingdom
Northern Ireland
Antrim

Groggan

The best road cycling routes around Groggan

4.5

(72)

132

riders

30

rides

Road cycling around Groggan features a network of routes that traverse gentle terrain, often incorporating historical landmarks and scenic waterways. The area's landscape is characterized by relatively low elevation gains, with the highest recorded ascent on a route being under 400 meters. Road cyclists can expect to encounter features such as viaducts, heritage houses, and castle ruins, indicating a blend of natural and historical points of interest. The routes are predominantly easy to moderate, making the region accessible for various…

Last updated: July 9, 2026

4.7

(39)

21

riders

#1.

Randalstown Viaduct – Randalstown Heritage Houses loop from Saint Marys GAA, Ahoghill

36.6km

01:32

260m

260m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

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

Moderate
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Tips from the Community

David Bavin-Hobbs
September 26, 2025, Randalstown Heritage Houses

A row of terraced houses just outside the town of Randalstown. An important military location, these houses could've been used as barracks or staff housing. The symmetry of these houses is very pleasing as you ride past.

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Antrim Castle Gardens are an absolute historical gem. You will find nothing like these 400 year old gardens anywhere else in Northern Ireland. Walk into the past as you stroll around this magnificent setting, visiting beautiful features such as the Large Parterre, Her Ladyship’s Pleasure Garden and Yew Tree Pond. Within the heart of the Gardens is a unique visitor experience, the refurbished Clotworthy House. Visit the Garden Heritage Exhibition where you can read about the history of the Gardens and the story of the Massereene family. It provides a fantastic opportunity to come and learn about garden history how the lives of the key family members intertwine with the development of Antrim town and the surrounding areas.

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Nice view of Randalstown

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Nice small town to walk around and some great history of Randalstown

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Castle gardens including various buildings and ruins on the river. Plenty to look at and explore in the gardens.

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Ruins of Antrim castle set in green grounds next to the river. A great place to stop for a breather.

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Good cake & hot chocolate. Can sit inside or in the castle courtyard as you like.

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Frequently Asked Questions

How many road cycling routes are available around Groggan?

There are over 30 road cycling routes around Groggan, with 15 classified as easy, 17 as moderate, and 1 as difficult, catering to a wide range of skill levels.

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

Yes, Groggan is well-suited for beginners and families, with 15 easy routes characterized by gentle terrain and relatively low elevation gains. Routes like the Toome Lock loop from Randalstown offer an accessible experience.

What kind of scenery and landmarks can I expect on road cycling routes in Groggan?

Road cycling routes in Groggan feature a blend of natural and historical points of interest. You can expect to see historical landmarks such as viaducts, heritage houses, and castle ruins, alongside scenic waterways and open countryside. Routes often pass by sites like the Antrim Castle Ruins and the Randalstown Viaduct.

Are there any longer distance road cycling routes for more advanced riders?

While Groggan's terrain is generally gentle, there are moderate routes that offer longer distances. For example, the Foxes Pub – Antrim Castle Ruins loop from Randalstown is a moderate 50.8 km route with an elevation gain of 367 meters, providing a more extended ride.

What is the typical elevation gain on road cycling routes in Groggan?

The road cycling routes around Groggan are known for their relatively low elevation gains. Most routes feature ascents under 300 meters, with the highest recorded ascent on a route being under 400 meters, making the area accessible for various fitness levels.

Are there circular road cycling routes available in Groggan?

Yes, many of the road cycling routes in Groggan are circular, allowing you to start and end at the same point. Popular options include the Randalstown Viaduct – Randalstown Heritage Houses loop from Ballylummin and the Antrim Castle Ruins – Antrim Castle Gardens loop from Ballytresna.

What do other road cyclists say about the routes in Groggan?

The road cycling routes in Groggan are highly rated by the komoot community, with an average score of 4.8 stars from over 70 reviews. Cyclists often praise the blend of historical landmarks, gentle river valleys, and open countryside that define the area's routes.

Can I find routes that pass by specific historical sites?

Absolutely. Groggan's road cycling routes frequently incorporate historical sites. You can explore routes that pass by the Randalstown Viaduct, various heritage houses, and the scenic Antrim Castle Ruins and Gardens.

Are there any routes that offer views of waterways?

Yes, the region's landscape includes scenic waterways. Routes like the Toome Lock loop from Randalstown offer opportunities to cycle alongside these features, providing pleasant views.

What is the best time of year to go road cycling in Groggan?

While specific data isn't available, the gentle terrain and scenic nature of Groggan's routes suggest that spring and summer offer the most pleasant conditions for road cycling, with milder weather and lush landscapes. Autumn can also be beautiful with changing foliage.

Are there any challenging road cycling routes in Groggan?

While most routes are easy to moderate, there is one route classified as difficult among the 33 available. These routes typically feature longer distances and more significant elevation gains compared to the easier options, providing a greater challenge for experienced riders.

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