Things to do in Ynys-isaf, Powys

This reserve, once the site of extensive coal mining, is a great example of how nature has reclaimed the landscape. It is a rich mix of wildlflower meadow, rhos pasture and young woodland. It is one of the best sites in Wales for the rare marsh fritillary butterfly.

The nature reserve consists of three wildflower meadows and a large area of woodland. The nature reserve lies on the site of a former coal mine and is a wonderful example of how nature can reclaim an area.

Cwm Wanderers once played football on this site. It is now a nature reserve of wet tussocky grassland known as Rhos pasture. It is home to the rare marsh fritillary butterfly

Allt Rhongyr is within the Brecon Beacons National Park, adjacent to Craig y Rhiwarth Nature Reserve and offers dramatic views of the Tawe Valley. It features a diverse mix of limestone grassland, acidic grassland and woodland and it was once the site of an iron age hillfort.

Ancient upland Oak woodland, stream, and waterfalls.

Ancient upland Oak woodland, stream, and waterfalls.

An acidic pond, within an ancient woodland site under restoration.

Craig Cilhendre is upland Oak woodland, part of which is ancient in origin, with some patches of wet woodland, situated on a steep north-facing hillside.

The nature reserve features a large nutrient-poor glacial lake, overlooked by dramatic north-east facing cliffs and scree, dotted with rowan trees. The damp and shady outcrops, ledges and crevices provide undisturbed habitat for montane species such as Wilson’s Filmy Fern and Fir Clubmoss, and other interesting species such as Cowberry and Beech Fern.Part of the Craig y Llyn SSSI. Also includes part of the Cwm Gwrelych and Nant Llyn Fach Streams SSSI.