It contains part of Lady Park Wood, a national nature reserve in Wales (NNR), as well as King Arthur's Cave.

[9] The SSSI falls within the Wye Valley Woodlands/ Coetiroedd Dyffryn Gwy Special Area of Conservation (SAC) under the EU Habitats Directive.

Mid-level flora includes hazel (Corylus avellana), field maple (Acer campestre), small-leaved lime (Tilia cordata) and wych elm (Ulmus glabra).

[12] Ground-layer plants are dominated by bilberry (Vaccinium myrtillus), bramble (Rubus fruticosus), common bracken (Pteridium aquilinum), dog's mercury (Mercurialis perennis), false brome (Brachypodium sylvaticum), great wood-rush (Luzula sylvatica).

Birds that use the woodlands in the SSSI include buzzard, nuthatch, peregrine falcon, pied flycatcher, raven, tawny owl and the wood warbler.