4.6
(533)
6,204
hikers
169
hikes
Hiking around Llangristiolus offers diverse landscapes, including tranquil woodland and scenic reservoir paths. The region is centered around the Llyn Cefni Reservoir and Cefni Forest, providing accessible trails for various fitness levels. These areas are known for their natural beauty and wildlife, including red squirrels. Llangristiolus also connects to the broader Anglesey National Landscape, featuring varied scenery.
Last updated: May 11, 2026
4.4
(19)
211
hikers
11.1km
02:53
70m
70m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.6
(14)
180
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.7
(10)
153
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
46
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
21
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Great loop around the reservoir, all kinds of gravel.
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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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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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We saw two red squirrels in the area so they are really there!
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Located in Llangefni right out side the nature reserve the dingle
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There are over 170 hiking trails around Llangristiolus, offering a wide variety of options for all skill levels. This includes 114 easy routes, 54 moderate routes, and a few more challenging paths.
Yes, Llangristiolus offers numerous easy and accessible paths perfect for beginners and families. A great option is the Llyn Cefni Reservoir and Dam loop from Isle of Anglesey, an easy 3.9-mile (6.3 km) route with accessible paths around the reservoir. The Cefni Forest also provides peaceful woodland trails suitable for leisurely walks.
Many trails in Llangristiolus are dog-friendly, especially those around the Llyn Cefni Reservoir and within Cefni Forest. It's always recommended to keep dogs on a lead, particularly in areas with wildlife or livestock, and to check local signage for any specific restrictions.
The Cefni Forest, surrounding Llyn Cefni Reservoir, is a significant sanctuary for wildlife. Hikers often spot red squirrels and a diverse range of birdlife. The wider Anglesey National Landscape, accessible from Llangristiolus, also supports a huge variety of wildlife in its protected habitats.
Yes, several routes are designed as loops, making them convenient for walkers. For example, the Red Squirrel Spotting Area – Llyn Cefni Reservoir and Dam loop from Llangefni is a popular 3.1-mile (5.1 km) circular trail through peaceful woodland.
Llangristiolus is enjoyable year-round, but spring is particularly vibrant when wildflowers carpet the clifftops of the wider Anglesey National Landscape. The tranquil woodland and reservoir paths offer pleasant conditions in most seasons.
The central highlight for hikers is the Llyn Cefni Reservoir and Cefni Forest, offering scenic paths and woodland views. The area also connects to the broader Anglesey National Landscape, which features a beautiful collection of sand dunes, coves, and cliffs. For stunning coastal views, consider visiting Llanddwyn Beach or Red Wharf Bay, both accessible from Llangristiolus.
For those seeking a longer experience, the Lôn Las Cefni Trail is an excellent choice. This 6.9-mile (11.1 km) moderate trail traverses diverse landscapes and wildlife havens, including the Llyn Cefni Reservoir, offering a more immersive journey.
Parking is generally available at key access points for popular trails, particularly around the Llyn Cefni Reservoir and Cefni Forest areas. Specific parking details can often be found on individual route descriptions.
The trails around Llangristiolus are highly rated by the komoot community, with an average score of 4.6 stars from over 500 reviews. Hikers frequently praise the peaceful woodland, the scenic reservoir paths, and the opportunities for wildlife spotting, especially red squirrels.
Beyond the trails, you can explore several notable attractions. Consider visiting the historic Caernarfon Castle, the iconic Menai Suspension Bridge, or the tranquil Newborough National Nature Reserve and Forest. For a glimpse into ancient history, the Bryn Celli Ddu burial chamber is also nearby.
While Llangristiolus is known for its accessible and moderate trails, there are a few more challenging routes available for experienced hikers. These often involve greater distances or more varied terrain, providing a good workout within the beautiful Anglesey landscape.


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