4.2
(439)
9,106
riders
153
rides
No traffic touring cycling routes around Llanishen Reservoir are situated within a significant green and blue infrastructure in North Cardiff, characterized by two large reservoirs and surrounding woodlands. The area features a mix of grassland, scrub, and waterside habitats, providing a varied landscape for cycling. While direct cycling on reservoir footpaths is restricted, the wider vicinity offers routes connecting to other Cardiff landmarks and natural features. The terrain includes both paved surfaces and some unpaved segments, with elevation gains ranging…
Last updated: May 17, 2026
7
riders
31.1km
02:41
570m
570m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
24
riders
23.1km
02:21
490m
490m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.

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4.8
(4)
21
riders
29.4km
01:53
290m
290m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
13
riders
10.2km
00:42
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
13
riders
27.5km
02:25
520m
520m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Llanishen Reservoir
This track has been improved, now wider and tarmacked.
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Adjoining Roath Park Lake is a wild garden with nice pathways and is a meeting place for many types of birds
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Located on the edge of Marshfield in the beautiful countryside between Cardiff and Newport, Y Maerun offers the perfect venue for a catch up with friends, a relaxing meal with family or simply a refreshing drink with colleagues after work. It is not certain, but old maps show a building on the present site known as Glandwr Inn, pre 1850. We know the railway line nearby completed the Gloucester to Swansea route in June 1850, and it's probable that the inn was then renamed the Railway Hotel to take advantage of the adjacent Marshfield station.
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Built in 1626 by Sir Thomas Morgan, Steward to the Earl of Pembroke, it was one of the first of the 'mock' castles to be built in Wales. In 2022 Cadw designated the castle gardens and park Grade II on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales.
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No access to the castle, blocked off by gates, according to local press landowner wants to knock it down and put houses on it.
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This is a fun track that takes you across the hill and through the woods. It's pretty bumpy in places and can be slippery (especially after rain), so you'll need decent riding skills.
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Yes, the area around Llanishen Reservoir offers a wide selection of routes. You'll find over 150 touring cycling routes that prioritize minimal traffic, catering to various skill levels. These include 46 easy, 76 moderate, and 38 difficult routes, ensuring there's something for everyone.
No, cycling is not permitted on the narrow footpaths directly around Lisvane and Llanishen Reservoirs. This is due to their Site of Special Scientific Interest (SSSI) status, the need to protect delicate ecosystems, and for the safety of shared pedestrian use. However, cycle parking is provided at the entrances, and you are welcome to dismount and walk your bike through the site to enjoy the views.
The terrain varies significantly. While some routes, like the Roath Park Wild Gardens loop from Llanishen, are relatively flat and easy, others, such as the Graig Hill – View of Caerphilly loop from Cyncoed, feature significant elevation gains and can be quite challenging. You might encounter paved surfaces, quiet roads, designated cycle lanes, and even some unpaved forest paths on more difficult trails.
Absolutely. For families looking for an easier, traffic-free experience, routes like the Roath Park Wild Gardens loop from Llanishen offer a gentle ride, often incorporating quiet roads or designated cycle lanes. The area also connects to sections of the Taff Trail, which is known for its family-friendly, traffic-free paths.
Spring and autumn are generally ideal for touring cycling around Llanishen Reservoir, offering pleasant temperatures and beautiful scenery as the woodlands change color. Summer is also popular, though routes can be busier. Winter cycling is possible, but be prepared for potentially wet or muddy conditions on unpaved sections and shorter daylight hours.
Yes, many of the touring cycling routes around Llanishen Reservoir are designed as loops, allowing you to start and finish at the same point. For example, the Y Maerun Pub & Dining loop from Cyncoed is a moderate circular route that offers a pleasant ride through the local area.
The region is rich in natural beauty and wildlife. The reservoirs themselves are part of a Site of Special Scientific Interest (SSSI), known for overwintering wildfowl and rare waxcap fungi. Cycling routes often pass through diverse habitats including woodlands (like Gwern-y-Bendy Woods), grasslands, and waterside areas, where you might spot grass snakes, otters, bats, and various bird species. Bird hides are also available at the reservoir for quiet observation.
While cycling is not permitted directly around the reservoirs, cycle parking is provided at the entrances to the Llanishen and Lisvane Reservoirs visitor attraction. For starting points of specific touring routes, you'll typically find public car parks in nearby towns or villages, or designated parking areas at trailheads. Always check the route details for specific parking recommendations.
Yes, the newly redeveloped visitor centre at Llanishen Reservoir features a café offering Welsh produce and a Grab & Go service. Many routes also pass through or near towns and villages with pubs, cafes, and other eateries. For instance, the Coed y Felin Dragon Sculpture – Coffee Trailer loop from Llanishen suggests a coffee stop along the way.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 430 ratings. Reviewers often praise the variety of routes, from easy scenic rides to challenging climbs, and the opportunity to explore the beautiful Welsh countryside with minimal traffic. The blend of natural beauty, historical landmarks, and well-maintained paths makes it a popular choice for touring cyclists.
Llanishen Reservoir is well-connected within North Cardiff, making it accessible by public transport. Local bus services operate in the area, and Cardiff's train stations provide connections to the wider region. You can plan your journey to a suitable starting point for your chosen cycling route using local transport information.
Yes, for experienced touring cyclists seeking a challenge, routes like the Graig Hill – View of Caerphilly loop from Cyncoed offer significant elevation gain over its 19.3 miles, providing panoramic views towards Caerphilly. Another demanding option is the Ruperra Castle – Coffee Trailer loop from Llanishen, which features substantial climbs and descents.


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