4.7
(46)
382
hikers
40
hikes
Hiking around Nantglyn offers diverse landscapes within Denbighshire, characterized by hilly terrain that provides expansive views of the Hiraethog region and the northern Clwydian Range. The area features the significant Alwen Reservoir, the largest human-made lake in Wales, alongside ancient woodlands and picturesque riverside paths. Hikers can explore a mix of tranquil village settings and natural beauty, with trails often traversing forests and following streams like the Afon Elwy.
Last updated: April 26, 2026
4.0
(4)
18
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
17
hikers
8.18km
02:12
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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6
hikers
8.07km
02:13
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
4
hikers
13.1km
03:36
220m
220m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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A lovely market town with pubs and shops and bakeries. Hilly routes into town but a number of good places for a stop mid ride.
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You can head back to llyn brenig before you get to the section as a short cut, this but is not to be missed. Flows really nice, cutting through some old forest before a fun section along the lake.
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Though it was not a tough or technical ride, it did take me into territory I had never visited before and was a lovely antidote to the 'fleshpots' of Gwydir Forest or Coed-y-Brenin. Some lovely gentle singletrack, beautiful views and I didn't see another rider for the whole trip - although tbh I did set off at 08.30 on a Wednesday!!
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Alwen Reservoir is the largest human-made lake in Wales and it makes for a lovely walk. There's a car park at its eastern end and the 6-mile (10 km) loop of the reservoir is wonderfully scenic and suitable for the whole family. The mixture of lake views, woodland and open moorland make it a real treat.
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This bridge across the 900-acre (364 ha) Alwen Reservoir enables a beautiful and tranquil loop of the Wales' largest artificial lake. The views across the water and to the surrounding woodland and hills are lovely.
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The grand, ornate stone dam of Alwen Reservoir couldn't be more of a contrast to the neighbouring Llyn Brenig Dam. It's well worth taking a minute or two to take in this magnificent feat of engineering, that was completed in 1920. The reservoir here was built to provide drinking water for Liverpool and the Wirral.
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The castle passed between various owners in the first half of the 14th century, before coming under the control of the Mortimer family. Meanwhile, the walled town had proved impractical to live in, and a newer, much larger, settlement developed outside the defences. In 1400, the walled town was raided during the GlyndΕ΅r Rising, although the castle itself remained secure throughout the rebellion. During the Wars of the Roses, Denbigh was attacked by Lancastrian forces; the walled town was attacked and burnt. In the aftermath, the old town was largely abandoned by its inhabitants, the walled area becoming an extension of the castle's defences.
3
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Nantglyn offers a wide selection of hiking opportunities, with over 40 trails recorded on komoot. These routes cater to various preferences, from easy strolls to more challenging moderate hikes.
Yes, Nantglyn has a good selection of easy trails, with 23 routes specifically categorized as easy. These paths are generally well-marked and suitable for those new to hiking or families looking for a relaxed outdoor experience. Many routes around the Alwen Reservoir, for instance, offer accessible sections.
Hiking around Nantglyn offers diverse landscapes. You'll encounter hilly terrain providing expansive views of the Hiraethog region and the northern Clwydian Range. Many routes traverse ancient woodlands, follow picturesque riverside paths like those along Afon Elwy, and feature the scenic Alwen Reservoir, the largest human-made lake in Wales.
Yes, many of the trails around Nantglyn are circular, allowing you to start and end at the same point. For example, the Alwen Reservoir Bridge β Alwen Dam loop from Alwen Dam is a popular moderate 8.8-mile (14.2 km) circular route offering scenic views around the reservoir.
Hikers can explore several unique natural and historical features. The ancient Nantglyn Yew tree, located in the graveyard of Sant Iago church, is a remarkable sight with its hollow trunk. The vast Alwen Reservoir and its impressive Alwen Dam are central to many routes. You might also encounter rich flora, especially in late spring, with wildflowers like wood avens and early purple orchids.
Many trails in the Nantglyn area are dog-friendly, but it's always recommended to keep dogs on a lead, especially when passing through farmland with livestock or in areas with ground-nesting birds. Please ensure you follow the Countryside Code and clean up after your pet.
Yes, some routes connect to significant historical sites. For instance, the Denbigh Castle Ruins loop from Denbigh takes you through historical areas, including the impressive Denbigh Castle and Town Walls. The area also has connections to the broader Taith Clwyd (Clwydian Way) for those interested in longer historical paths.
The komoot community highly rates the hiking experience in Nantglyn, with an average score of 4.7 stars from over 70 reviews. Hikers often praise the area's tranquil atmosphere, diverse landscapes, and the expansive views of the Hiraethog region. The well-maintained paths around the Alwen Reservoir are also frequently highlighted.
Hike durations vary significantly depending on the route's length and difficulty. For example, a moderate 7.4-mile (11.9 km) trail like the Alwen Reservoir β Bryn y Gors-goch loop from Llyn Brenig Visitor Centre Cafe typically takes around 3 hours 10 minutes. Shorter, easier paths can be completed in an hour or two, while longer routes might take half a day.
Parking is generally available at key starting points for popular trails, such as near the Alwen Dam or the Llyn Brenig Visitor Centre. For routes starting directly from Nantglyn village, limited street parking might be available, but it's always advisable to check local signage and be considerate of residents.
Yes, the hilly terrain surrounding Nantglyn provides numerous opportunities for panoramic views. Depending on the specific trail, you can enjoy expansive vistas of the Hiraethog region, the northern Clwydian Range, and even distant glimpses of Snowdonia National Park, Anglesey, and the Llyn Peninsula on clear days.
Nantglyn offers enjoyable hiking experiences year-round. Late spring is particularly beautiful when hedgerows burst with wildflowers. Summer provides longer daylight hours and generally good weather. Autumn brings vibrant foliage, while winter walks can be serene, though some paths might be muddy or require appropriate gear for colder conditions.


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