4.6
(477)
21,194
riders
12
rides
No traffic road cycling routes in South Dublin Bay Special Area Of Conservation traverse a unique coastal landscape characterized by expansive sandy beaches, intertidal mudflats, and views of Dublin Bay. The terrain is generally flat, offering accessible cycling along the coastline. While predominantly low-lying, some routes may include gentle ascents towards viewpoints or through areas with minor elevation changes. The region is part of the UNESCO Dublin Bay Biosphere Reserve, featuring diverse habitats like saltmarshes and sand dunes.
Last updated: April 27, 2026
24
riders
67.5km
03:18
930m
930m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
9
riders
14.5km
00:55
380m
380m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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8
riders
64.3km
02:41
270m
270m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
9
riders
77.6km
03:18
400m
400m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
11
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around South Dublin Bay Special Area Of Conservation
The current Straffan Bridge was built in 1836 to replace an older crossing, and the adjacent weir is part of the Leinster Aqueduct system, which carries the Grand Canal over the River Liffey just upstream. This makes the area unusual – you can stand within a short walk of both a river spanned by a road bridge and a canal carried high over the same river.
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Great MTB rental, nice coffee and cookies, only taxis will not pick you up here anymore.
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The Phoenix Monument stands proud in the centre of the vast Phoenix Park and is one of the green space's longest surviving features. The fluted collumn was carved from Portland Stone and displays a phoenix at the top. It's not as high as the park's famous Wellington Monument which, at 203 feet (62 m), is the largest obelisk in Europe.
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Check the excellent website at https://goatsgruffdublin.com/openingtimes for more information.
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The Armoury Café offers hearty meals and snacks, made from local seasonal ingredients when available. Fresh warm bakes are a favourite amongst the regulars, including a good company of hill-walkers, backpackers and cyclists. A terrace opens up the opportunity to enjoy refreshments while taking in the beauty of the landscape. Normally closed on Mondays and Tuesdays. It is open from 9.30 to 5.30 Wednesday to Saturday and 9.30 to 5.00 on Sundays. Also opens on Bank Holiday Mondays 9.30 to 5.30.
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Trails Café is a charming little café, ideal for hikers who are about to embark on adventures in the surrounding foothills. Known for its cozy ambiance and welcoming atmosphere, it’s the perfect spot to refuel with coffee or a snack before heading out. The café's proximity to popular trails makes it a convenient stop for those looking for some sustenance after a long hike.
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This narrow rocky pass through which runs the old Dublin to Enniskerry road was formed by an Ice Age glacial lake overflow. There are many granite outcrops and boulders to be seen, especially on the wooded eastern Barnaslingan side. (https://www.coillte.ie/site/barnaslingan-wood/)
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It was moved back to it's original location in 1989.
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There are 11 dedicated no traffic road cycling routes in the South Dublin Bay Special Area Of Conservation, catering to various skill levels. You'll find 2 easy routes, 5 moderate routes, and 4 more challenging options.
The South Dublin Bay Special Area Of Conservation is known for its generally flat terrain, especially along the coast. Routes often feature mostly paved surfaces, making them ideal for road bikes. You'll experience scenic coastal rides with continuous sea views and fresh air.
Yes, there are easy, traffic-free options. For a shorter, gentle ride, consider the View of Dublin loop from Dún Laoghaire-Rathdown, which is just under 7 km. Another accessible option is the Heuston Station – Phoenix Park loop from Dublin Heuston, covering about 11.8 km.
Many routes offer stunning views of Dublin Bay and the Irish Sea. A prominent landmark you can reach is the Poolbeg Lighthouse, accessible via a scenic path. You might also pass by Sandymount Strand, Seapoint Beach, or the historic Martello Tower Number 14 and Seapoint Sea Baths.
The area is highly rated by the komoot community, with an average score of 4.4 stars from 49 reviews. Cyclists often praise the continuous sea views, the flat and accessible routes, and the unique urban-coastal juxtaposition of the Dublin Bay Biosphere.
For experienced riders seeking a challenge, the Military Road (L1013) – Sally Gap loop from Sandycove and Glasthule offers a difficult 67.5 km ride with significant elevation gain, providing a more demanding experience away from traffic.
Yes, many of the routes are designed as loops, allowing you to start and finish in the same location. For example, the Ticknock Forest – Three Rock Mountain – Ticknock loop from Dundrum is a moderate 14.5 km circular route, and the Phoenix Park – Furry Glen Lake loop from Dublin Heuston offers a longer, moderate 53.6 km loop.
The South Dublin Bay area is enjoyable for cycling year-round, but spring and summer generally offer the most pleasant weather conditions. The coastal routes provide fresh air, and the flat terrain is less affected by adverse weather compared to hilly areas. Always check the local forecast before heading out.
Given its urban setting as part of the UNESCO Dublin Bay Biosphere Reserve, the South Dublin Bay area is well-served by public transport. Many routes start or are easily accessible from DART stations or bus stops, making it convenient to reach the starting points without a car.
Absolutely. The South Dublin Bay SAC is a vital green corridor and a significant habitat for diverse wildlife. It's particularly known for being crucial feeding and roosting grounds for numerous migratory and wintering bird species, including internationally important populations of Light-bellied Brent Goose. Keep an eye out, especially near the intertidal mudflats and saltmarshes.
As the routes are located within or near urban areas like Dún Laoghaire-Rathdown and Sandycove, you'll find various cafes, shops, and facilities conveniently located near many starting points and along the routes to refuel and relax.


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