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Routes
Running Trails
United Kingdom
Wales
North Wales
Anglesey

Llangristiolus

The best running trails around Llangristiolus

4.0

(25)

4,568

runners

176

runs

Jogging around Llangristiolus offers routes that traverse a landscape shaped by water features and woodlands. The region is characterized by its reservoirs, such as Llyn Cefni, and the winding Afon Cefni River. Trails often follow riverbanks and pass through areas with forest gravel roads, providing varied terrain for runners.

Best jogging routes around Llangristiolus

  • The most popular jogging route is Llyn Cefni Dam – Llyn Cefni Reservoir and Dam loop from Llangefni, a 2.9 miles (4.7 km) trail that…

Last updated: May 11, 2026

400

runners

#1.

Llyn Cefni Dam – Llyn Cefni Reservoir and Dam loop from Llangefni

4.74km

00:31

40m

40m

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

16

runners

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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Popular around Llangristiolus

Hiking around Llangristiolus

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Cycling around Llangristiolus

Tips from the Community

AWM
February 21, 2026, Llyn Cefni Reservoir and Dam

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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Targi
September 1, 2025, Cefni Forest

Cefni Forest on Anglesey surrounds Llyn Cefni reservoir near Llangefni. It offers peaceful woodland trails for walking and cycling, linking to the Lon Las Cefni route. The forest is a sanctuary for red squirrels and diverse birdlife, making it a perfect spot for quiet nature exploration and wildlife watching.

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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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Some areas of the track are a bit tight

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Frequently Asked Questions

How many running routes are available around Llangristiolus?

There are over 170 running routes available around Llangristiolus, offering a wide variety of options for all skill levels, from easy jogs to more challenging long-distance runs.

Are there easy running routes suitable for beginners in Llangristiolus?

Yes, Llangristiolus offers several easy running routes perfect for beginners. For example, the Running loop from Llangefni is an easy 3.1-mile (5 km) path with minimal elevation gain, ideal for a gentle jog.

What kind of terrain can I expect on the running trails in Llangristiolus?

The running trails around Llangristiolus feature varied terrain, often following reservoir paths, river trails, and forest tracks. You'll encounter surfaces like gravel roads, compacted earth, and some paved sections, especially around the reservoirs and riverbanks.

Are there family-friendly running paths in the area?

Many of the easier, flatter routes around Llangristiolus are suitable for families. The paths around Llyn Cefni, for instance, offer relatively flat and well-maintained surfaces, making them enjoyable for a family run or walk.

Can I bring my dog on the jogging trails around Llangristiolus?

Yes, many of the trails around Llangristiolus are dog-friendly. However, it's always recommended to keep your dog on a leash, especially near livestock or in nature reserve areas, and to check local signage for any specific restrictions.

What is the best time of year for running in Llangristiolus?

Spring and autumn generally offer the most pleasant conditions for running in Llangristiolus, with milder temperatures and beautiful scenery. Summer can be warm, while winter runs are possible but may require appropriate gear for potentially wet or muddy conditions.

Are there scenic viewpoints or natural attractions along the running routes?

Absolutely. The region is known for its natural beauty. You can find stunning views of the reservoirs and the Afon Cefni River. Nearby attractions include Newborough National Nature Reserve and Forest and Llanddwyn Beach, which offer picturesque backdrops for your run.

Are the running routes around Llangristiolus typically circular?

Many of the popular running routes in Llangristiolus are designed as circular loops, allowing you to start and finish at the same point. This includes routes around Llyn Cefni and along the Afon Cefni River, providing convenient options for exploration.

Where can I find parking near the running trails?

Parking is generally available at key access points for the trails, particularly around popular areas like Llyn Cefni and in nearby towns such as Llangefni. Specific parking details can often be found on individual route pages.

What do other runners enjoy most about jogging in Llangristiolus?

The komoot community highly rates the running experience in Llangristiolus, with an average score of 3.9 stars from over 20 reviews. Runners often praise the diverse landscape, including the tranquil reservoir paths and scenic river trails, as well as the variety of routes suitable for different fitness levels.

Are there any less crowded running routes for a quieter experience?

While popular routes like those around Llyn Cefni can see more visitors, exploring some of the longer or slightly more challenging trails, such as the Afon Cefni River Trail – Newborough Forest Gravel Road loop from Llangefni, can offer a more secluded running experience, especially during off-peak hours.

Are there any historical sites or landmarks to see while running?

Yes, the region has a rich history. While running, you might pass by or be near sites like the ancient Bryn Celli Ddu burial chamber or the impressive Caernarfon Castle, offering glimpses into the area's past.

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