Newborough Warren And Ynys Llanddwyn National Nature Reserve
Newborough Warren And Ynys Llanddwyn National Nature Reserve
4.7
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2,426
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122
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Touring cycling around Newborough Warren And Ynys Llanddwyn National Nature Reserve offers routes through diverse landscapes. The area is characterized by extensive sand dunes, pine forests, and coastal paths, providing varied terrain for cyclists. Routes often traverse the serene woodlands of Newborough Forest and extend towards the tidal island of Ynys Llanddwyn, accessible at low tide. The Cefni Estuary also features in some routes, offering views of wetland habitats.
Last updated: May 11, 2026
4.6
(12)
125
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4.5
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66
riders
Enjoy an easy 7.2-mile touring cycling loop through Newborough Forest, featuring pine woods, sand dunes, and coastal views.

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4.6
(10)
128
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.8
(16)
77
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
47
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Newborough Warren And Ynys Llanddwyn National Nature Reserve
The Isle of Anglesey Coastal Path — Golden beaches and towering cliffs
Hiking around Newborough Warren And Ynys Llanddwyn National Nature Reserve
Road Cycling Routes around Newborough Warren And Ynys Llanddwyn National Nature Reserve
Running Trails around Newborough Warren And Ynys Llanddwyn National Nature Reserve
MTB Trails around Newborough Warren And Ynys Llanddwyn National Nature Reserve
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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Railway bridge over head tarmac its smooth a couple of potholes but nice to be away from main road traffic.
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Pont Marquis Bridge Spanning the Afon Cefni, carrying the Trefdraeth to Llangaffo road, c. 3km ENE of Malltraeth. The bridge, which is Grade II listed, was built in the early C19, was named for the Earl of Uxbridge, first Marquis of Anglesey. It gives wonderful scenery over the marsh land and plenty of wildlife.
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Malltraeth Cob Malltraeth is the next village along from Newborough to the north. The two villages are linked by a “cob” – a dike wall – with a footpath/cycle track along its top. The cob was completed in the early 19th Century, under the direction of Thomas Telford and John Rennie. At the same time, the Afon Cefni was straightened (and straitened) creating what looks like a canal, but is still tidal. This created nearly 1,600ha of grazing land on either side of the Cefni. Much of this land is now a nature reserve managed by the RSPB. Also you will see Llyn Parc Mawr Community Woodland where they have picnic areas where you can enjoyed the red squirrels. It is off road but I used my gatorskins and it was fine.
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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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There are over 120 touring cycling routes in Newborough Warren and Ynys Llanddwyn National Nature Reserve, offering a wide range of options for different skill levels and preferences.
The routes here offer diverse terrain, winding through extensive sand dunes, serene pine forests, and along coastal paths. You'll also find paths near the Cefni Estuary, providing a mix of natural landscapes.
Yes, there are 47 easy touring cycling routes in the area. A great option for families or beginners is the Bike Quest Nature Challenge loop at Coed Niwbrch / Newborough Forest, which is 7.2 miles long and explores the forest and sand dunes.
Many routes in the area are circular. For example, the Corsica loop at Coed Niwbrch / Newborough Forest — Ynys Môn / Anglesey is an easy 7.7-mile loop that takes you through pine woods with coastal views.
Cycling routes often pass by significant natural features like the vast sand dunes of Newborough Warren and the ancient pine trees of Newborough Forest. You can also explore the tidal island of Ynys Llanddwyn, home to the historic Ruins of St. Dwynwen's Church and the iconic Tŵr Mawr Lighthouse. Many routes also offer stunning views of Snowdonia from Ynys Llanddwyn Beach.
Newborough Warren and the surrounding forest are rich in wildlife. Keep an eye out for red squirrels, one of the UK's rarest mammals, especially within Newborough Forest. The Cefni Estuary and Llyn Parc Mawr are excellent spots for bird-spotting, with various species frequenting the wetland habitats.
Yes, for those seeking a longer ride, the Afon Cefni River Trail – Stone bridge over the River Cefni loop from Newborough is a moderate 25.5-mile route that leads through varied landscapes, including the Cefni Estuary.
The area is highly rated by the komoot community, with an average score of 4.7 stars from over 250 reviews. Cyclists often praise the diverse scenery, from the peaceful pine forests to the expansive beaches and unique tidal island, as well as the well-maintained trails suitable for various abilities.
Yes, some cycling routes extend towards Ynys Llanddwyn. The island is accessible at low tide, and the surrounding area, including Llanddwyn Beach, offers scenic cycling opportunities. Always check tide times before planning your ride to the island.
Absolutely. The Afon Cefni River Trail – Stone bridge over the River Cefni loop from Malltraeth is an easy 21.2-mile route that takes you along the Cefni Estuary, offering views of wetland habitats and a different natural environment compared to the forest and coast.
The reserve offers enjoyable cycling year-round, but spring and autumn often provide the most pleasant conditions with milder temperatures and fewer crowds. Summer is popular, but can be busier. Winter cycling is also possible, offering a tranquil experience, though some paths might be wetter.
Newborough Forest has designated parking areas that serve as convenient trailheads for many cycling routes. These are typically well-signposted and provide access to the network of trails within the forest and leading towards the coast.


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