Penglais Nature Park is a woodland situated in Aberystwyth, Ceredigion in Wales. The park is a combination of woodland and a disused quarry. Spring brings a display of a carpet of bluebells in common with the many other bluebell woods. Opened in 1995, it covers 109,000 mē; it was the first Nature reserve to open in Ceredigion and is the only UNESCO Man and Biosphere urban reserve in Wales.