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Nature Reserve, free entry

Cefn Cenarth

Cefn Cenarth

Cefn Cenarth


About the Reserve:

The northern part of the reserve was purchased by the Radnorshire Wildlife Trust in 1973, the wood is part of a much larger block of woodland typical of the uplands of this part of mid-Wales. Though shown on the 1939 tithe map of St. Harmon it is clear that large sections have been clear-felled during the first and second World Wars. In 1982, the southern part was purchased and in 2004 the middle section called Cwm-yr-Ychen was purchased linking up the acid sessile oak woodland nature reserve.

Wildlife of Interest:

Sessile Oak dominates the reserve with Rowan a common species. Bilberry and Cow-wheat are frequent in the ground layer as is the moss Rhytidiadelphus loreus. Lichens include the nationally scarce Biatora chrysantha (the sole Radnorshire site), Bryoria subcana, Usnea glabrescens and Pertusaria opthalmiza (one of 2 Welsh sites). Lichens include Pertusaria multipuncta, and Sphaerophorus globosus, also the moss Bartramia pomiformis are found here.

Breeding birds (34 species) include Pied Flycatcher, Wood Warbler, Redstart, Spotted Flycatcher, three species of Woodpecker, Tawny Owl, Coal Tit, Nuthatch, Treecreeper, Song Thrush and Mistle Thrush. Visitors include Sparrowhawk, Buzzard, Raven and Cuckoo.

The Cow-wheat Shield Bug Sehrius bigutatus and brassy coloured Ground Beetle Calosoma inquisitor are found along with the oak feeding Longhorn Beetle Leiopus nebulosus. The Green Oak Tortrix Moth Tortrix viridaria is common, its caterpillars providing an important source of food for birds in the spring. Galls are frequently encountered including Common Spangle Gall, Silk Button Gall, and Oak Apple Gall.

Stout footwear and warm clothing is recommended as this nature reserve is tucked into the hills of Mid Wales, which can be wet n'wild!

Open all the time


Free entry


Stout footwear and warm clothing is recommended as this nature reserve is tucked into the hills of Mid Wales, which can be wet n'wild!


Plan route to Cefn Cenarth using Google mapsPlan route using Google maps

Map reference: SN 966762  Lat: 52.37451 Long: -3.51958

By Road:

The reserve is reached by taking the B4518 from Rhayader towards Pant-y-Dwr and Llanidloes.

In the centre of Pant-y-Dwr there is a minor road to the west, take this road before leaving the village. Bear sharp left at the junction with a track and about one mile from Pant-y-Dwr there is a lay-by on the right with limited parking.

The entrance to the southern part of the reserve is a few hundred yards further along on the right. Continue on for another quarter of a mile and you will see a house on the corner of a sharp bend to the left.

Turn right here onto the forestry track, passing the house and into the plantation area. You can park on the left and the nature reserve is on your right, where you can follow a nature trail and enjoy expansive views of the surrounding landscape.

NGR: SN 966 762

Parking: free



01597 823298


Nr Rhayder,

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