Penallta Country Park, Ystrad Mynach

Penallta Country Park, located near Ystrad Mynach in the Caerphilly borough, represents a remarkable transformation of an industrial landscape into a valued recreational resource. The 50-hectare park occupies the site of a former colliery, with the heritage of coal mining woven into the landscape through interpretation boards, retained industrial features, and remnants of mining infrastructure. The park demonstrates how post-industrial land can be successfully rehabilitated to create green space whilst preserving and celebrating industrial heritage.

The park features woodland walks, open grassland, ponds created from mining subsidence, and a variety of habitats supporting local wildlife. Visitors can explore marked trails at varying difficulty levels, observe birds and other wildlife, and learn about the area's mining past through interpretation signage. The park is popular with walkers, cyclists, photographers, and nature enthusiasts seeking accessible countryside within easy reach of the mining valleys. Seasonal features include wildflower displays and visiting bird species.

Penallta exemplifies the shift in South Wales from heavy industry to environmental restoration and public access to nature. The park offers both recreational benefits and educational value, allowing visitors to understand how the landscape was shaped by human activity and how nature recovers and adapts to changed circumstances.