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Nature Reserves in
Snowdonia and North Wales

On this page (click to see) – National Nature Reserves (NNR’s), Local Nature Reserves (LNR’s) in Anglesey, Conwy, Denbighshire, Gwynedd, and Powys

National Nature Reserves

Cwm Idwala magnificent amphitheatre behind the glacial lake of Llyn Idwal There is open access on the reserve with several walking and rock scrambling routes leading up to higher ridges..
for more info see

Gwaith Powdwr – This 28 hectare site exhibits a range of habitats including woodland, scrub, heathland, bare rock and open water and supports a wide range of species including Nightjar, Barn Owl, Pied flycatcher, Polecat, seven species of bat, and the impressive Emperor Dragonfly – see and

The Berwyn National Nature Reserve – a vast areas of moor-covered upland, totalling nearly 8,000 hectares. The NNR is made up of seven separate locations on the mountain the largest above Lake Vyrnwy of over 4000 hectares
– see

Cadair Idris – over 400 hectares. A network of paths lead up and around the reserve, meeting on the mountain summit. also see details of the Ystradlyn visitor centre
– see

Local Nature Reserves

The North Wales Wildlife Trust manages over 30 nature reserves in North Wales
– see


Cemlyn Reserve – One of North Wales Wildlife Trust’s star reserves. Situated on the North coast of Anglesey, it is valued both for its scenic qualities and range of wildlife, and is as popular with general visitors, local people, holidaymakers, walkers etc. as it is with birdwatchers and naturalists – download the leaflet (pdf)
– see


Conwy (RSPB Reserve) – There’s a network of pushchair-friendly trails with viewpoints and hides to make the most of your visit and plenty of information to explain what you’re watching.
– see

Llanfairfechan area

Glan y Môr Elias – within easy access of Llanfairfechan just a short walk westward along the promenade. It has expansive views and its salt marsh is a magnet for roosting seabirds.

Morfa Madryn – reached from Glan y Môr Elias and has been created as a disturbance-free area for birds to feed, rest and breed.
– see

Nant y Coed – a beautiful woodland at the back of Llanfairfechan
see –


Pensychnant – a 150 acre Victorian Estate nestles within the outstanding natural beauty of the Sychnant Pass, with unhindered walks to the summits of the Carneddau mountains and views across the North Wales coast


Gors Maen Llwyd – 280 hectares of heather moorland and blanket bog at the Northern end of Llyn Brenig. download the leaflet (pdf)
– see


Coed Crafnant Reserve – A fine example of Ancient Woodland, with a rich flora of mosses, liverworts and ferns, the Coed Crafnant Reserve is comprised of two distinct woodlands; Coed Crafnant and Coed Dolbebin part of the extensive Rhinog Site of Special Scientific Interest
see –

Mawddach Valley – Arthog Bog (RSPB Reserve) – Arthog Bog is a small wetland and a wonderful place to see weird and wonderful plants, flowers, butterflies and birds – access from the Mawddach Trail
– see

Mawddach Valley, Coed Garth Gell – a woodland and heathland nature reserve – The views at the top of the reserve along the Mawddach Valley and up to Cadair Idris are some of the most admired in Britain.
see –


Morfa Bychan – Sand-dunes and wetland near Porthmadog with typical wildflowers of these habitats – see


Lake Vyrnwy (RSPB Reserve) – Five trails: Rhiwagor Trail (2 miles, 3.2 km) with some parts suitable for wheelchair/pushchair. Llechwedd-du Walk (5.5 miles, 9.1 km, if walked as a circular route). Ty Uchaf Walk (5 miles, 7.8 km, if walked as a circular route). Craig Garth Bwlch Trail (3 miles, 4.8 km). Grwn Oer Trail (1-2 miles, 3.2 km).Three hides – one accessible by wheelchair – see and


National Nature Reserves – (LNR’s) Anglesey, Conwy, Denbighshire, Gwynedd, Powys


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