Cwm Clydach National Nature Reserve is a area of steeply sloping valley-side on
Clydach Gorge
The Clydach Gorge (also known as Cwm Clydach) is a steep-sided valley in south-east Wales down which the River Clydach flows to the River Usk. It runs for from the vicinity of Brynmawr in Blaenau Gwent eastwards and northeastwards to Gilwern in ...
, east of
Brynmawr
Brynmawr (; , ,) is a market town, community and electoral ward in Blaenau Gwent, Wales. The town, sometimes cited as the highest town in Wales, is situated at above sea level at the head of the South Wales Valleys. It grew with the develop ...
, southeast
Wales
Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...
. It is protected for its ancient semi-
natural beech wood
Natural beech wood is a beech wood, that is able to replenish and sustain itself on its own.
Beech is a valued timber, but most beech woods require human intervention to replace old trees, since the young trees are not able to survive at all, or ...
s, designated by the
Nature Conservancy Council
The Nature Conservancy Council (NCC) was a United Kingdom government agency responsible for designating and managing National Nature Reserves and other nature conservation areas in Great Britain between 1973 and 1991 (it did not cover Norther ...
(now managed by its successor authority
Natural Resources Wales
Natural Resources Wales ( cy, Cyfoeth Naturiol Cymru) is a Welsh Government sponsored body, which became operational from 1 April 2013, when it took over the management of the natural resources of Wales. It was formed from a merger of the Coun ...
site of special scientific interest
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle ...
(SSSI) and of the Cwm Clydach Woodlands/Coedydd Cwm Clydach
special area of conservation
A Special Area of Conservation (SAC) is defined in the European Union's Habitats Directive (92/43/EEC), also known as the ''Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora''. They are to protect the 220 habitats and a ...
(SAC).
There is good public access to much of the reserve through a network of public footpaths, a section of the national cycleway and by public roads. Interpretive panels at access points to the reserve provide maps of the reserve and information.
Flora
The dense foliage of the beech canopy results in a rather minimal ground flora but species like bird's nest orchid are found amongst the leaf litter. The high humidity of the more sheltered parts of the gorge encourage the growth of ferns, mosses and other
lower plants
Non-vascular plants are plants without a vascular system consisting of xylem and phloem. Instead, they may possess simpler tissues that have specialized functions for the internal transport of water.
Non-vascular plants include two distantly rel ...
including the
lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Stricta sylvatica'' and the hay-scented buckler fern.
Fauna
Woodland birds in the reserve include
nuthatch
The nuthatches () constitute a genus, ''Sitta'', of small passerine birds belonging to the family Sittidae. Characterised by large heads, short tails, and powerful bills and feet, nuthatches advertise their territory using loud, simple songs. Mo ...
and both the
green woodpecker There are four species of bird named green woodpecker:
* European green woodpecker, ''Picus viridis''
* Iberian green woodpecker
The Iberian green woodpecker (''Picus sharpei'') is a medium-sized woodpecker endemic to the Iberian peninsula. It wa ...
and
greater spotted woodpecker
The great spotted woodpecker (''Dendrocopos major'') is a medium-sized woodpecker with pied black and white plumage and a red patch on the lower belly. Males and young birds also have red markings on the neck or head. This species is found acros ...
. Birds of prey include
sparrowhawk
Sparrowhawk (sometimes sparrow hawk) may refer to several species of small hawk in the genus ''Accipiter''. "Sparrow-hawk" or sparhawk originally referred to ''Accipiter nisus'', now called "Eurasian" or "northern" sparrowhawk to distinguish it f ...
tawny owl
The tawny owl (''Strix aluco''), also called the brown owl, is commonly found in woodlands across Europe to western Siberia, and has seven recognized subspecies. It is a stocky, medium-sized owl, whose underparts are pale with dark streaks, an ...