The best running trails around Llangefni
558
runners
18
runs
Jogging routes around Llangefni offer a diverse landscape for outdoor enthusiasts, centered on the heart of Anglesey. The region features prominent natural attractions like the Llyn Cefni Reservoir, providing mostly flat terrain and scenic water views. Runners can also explore the wooded valley of The Dingle (Nant y Pandy) Nature Reserve, with its well-maintained boardwalks and trails alongside the Afon Cefni river. The area is characterized by a mix of gentle, low-lying paths, including sections of the Lôn Las Cefni,…
Last updated: April 25, 2026
400
runners
4.74km
00:31
40m
40m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
23
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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20
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
16
runners
8.52km
00:54
90m
90m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
16
runners
4.94km
00:31
40m
40m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Tips from the Community
We visited for the Parkrun, which was cancelled whilst a walkway is fixed (some more weeks, I would expect). You can still access the lake along the disused railway line for part of the way - but not a good surface for running. Then there is a path around the lake with views across the lake and stretches through the woods, lovely, if rather muddy in places following wet weather. In total about 9 km around. Hope to do this again in the Spring with the promise of wild daffodils and perhaps a red squirrel.
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Quiet paths easy cycling crosses deserted railway line still present, which there trying to reopen
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Llyn Cefni Dam During World War II, a water scheme was devised for the town of Llangefni in central Anglesey. It involved water from a local source being pumped to two settling tanks in the Dingle part of the town. From here the water was pumped across the river to a reservoir and water tower, on the site of the present Pennant Estate. These arrangements became redundant with the building of the Cefni Reservoir, which was completed in 1951, but the settling tanks and pumping station survive in Llangefni to this day. The new scheme was designed to supply most of the water needs for the people of Anglesey for the foreseeable future
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Llangefni (meaning "church on the River Cefni", Welsh pronunciation: [ɬaŋˈɡɛvni]) population 5,116, making it the second-largest town in the county and the largest on the island. The community includes the village of Rhosmeirch. Wonderful welsh town with all the shop can get busy in summer holidays.
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The largest town on Anglesey (Holyhead is twice the size but is technically on Holy Island). Now bypassed by the island’s main roads which actually makes it a decent hub if you’re cycling across the south of the island.
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The path is fairly easy to miss if you’re coming along the A5: look for the section of railing by the roadside which marks the entrance. The path itself has some awkward narrow turns where it passes under the A55 but after that it’s wide, smooth and usually clear.
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Afon Cefni is one of the major rivers on the island of Anglesey, Wales. It is 16.9 kilometres long. Its source is near to the village of Capel Coch, before flowing through Bodffordd and into Llyn Cefni in the centre of the island. It continues to run south through the county town of Llangefni
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Frequently Asked Questions
How many running routes are available around Llangefni?
There are over 15 running routes around Llangefni, catering to various fitness levels and preferences. These include easy loops around reservoirs, moderate trails along rivers, and longer, more challenging runs through diverse landscapes.
Are there any easy or beginner-friendly running trails in Llangefni?
Yes, Llangefni offers several easy routes perfect for beginners or those seeking a gentle run. A great option is the Llyn Cefni Dam – Llyn Cefni Reservoir and Dam loop from Llangefni, which is 4.7 km (2.9 miles) long and features mostly flat terrain with scenic water views.
What are some good options for longer or more challenging runs near Llangefni?
For a more challenging run, consider the Afon Cefni River Trail – Newborough Forest Gravel Road loop from Llangefni. This extensive 30.2 km (18.8 miles) trail takes you through the Afon Cefni River area and into Newborough Forest, offering a diverse and rewarding experience.
Are the running routes around Llangefni dog-friendly?
Many of the trails around Llangefni are dog-friendly, especially those around Llyn Cefni Reservoir and within The Dingle (Nant y Pandy) Nature Reserve. It's always recommended to keep dogs on a lead, particularly in nature reserves where wildlife like the reintroduced red squirrel population can be found, and to check specific signage for any restrictions.
Are there any circular running routes in the area?
Yes, many of the popular running routes around Llangefni are circular, providing convenient starting and ending points. The Llyn Cefni Reservoir and Dam – Afon Cefni River loop from Llangefni is a moderate 9.0 km (5.6 miles) circular path that combines reservoir vistas with stretches along the Afon Cefni River.
What kind of scenery can I expect on the jogging trails?
Jogging routes in Llangefni offer a mix of tranquil reservoir paths, wooded river valleys, and accessible multi-use trails. You'll encounter calm waters, lush greenery, and the peaceful environment of The Dingle Nature Reserve, known for its red squirrels and seasonal bluebells.
Are there any interesting landmarks or attractions along the running routes?
Absolutely! Many routes pass by or are close to notable attractions. You can run alongside the scenic Llyn Cefni Reservoir and Dam, or through The Dingle Local Nature Reserve, famous for its red squirrels. The Lon Las Cefni cycle path also offers a great way to explore the Afon Cefni river area.
Is there parking available near the running trails in Llangefni?
Yes, parking is generally available at key access points for the popular running trails, particularly around Llyn Cefni Reservoir and The Dingle Nature Reserve. These areas are well-equipped to accommodate visitors.
What is the best time of year to go running in Llangefni?
Llangefni's trails are enjoyable year-round. Spring brings spectacular displays of bluebells and wild daffodils in The Dingle, while summer offers pleasant conditions for reservoir runs. Autumn showcases beautiful foliage, and even winter runs can be picturesque, especially around the low-lying, gentle paths.
Are there any family-friendly running options in Llangefni?
The Dingle (Nant y Pandy) Nature Reserve is an excellent choice for families, featuring well-maintained boardwalks and trails along the Afon Cefni river. Its relatively flat terrain and the chance to spot red squirrels make it an engaging and accessible option for all ages.
Can I find cafes or pubs near the running routes for a post-run refreshment?
While specific cafes or pubs directly on the trails are limited, Llangefni town center, being centrally located, offers various options for refreshments. The Llyn Cefni Reservoir is also known to have picnic areas, and you can find establishments within a short distance from the main trailheads.
What do other runners enjoy most about jogging in Llangefni?
Runners frequently praise the diverse and accessible landscapes, from the calm waters of Llyn Cefni Reservoir to the peaceful, wildlife-rich woodlands of The Dingle Nature Reserve. The well-maintained paths and the variety of route lengths and difficulties are also highly appreciated by the komoot community.
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