Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pen-y-Cefn Pasture is a Site of Special Scientific Interest in the preserved county of Clwyd, north Wales.,Clwyd is a preserved county of Wales, situated in the north-east, bordering England with Cheshire to its east, Shropshire to the south-east, and the Welsh counties of Gwynedd to its immediate west and Powys to the south. It additionally shares a maritime border with the metropolitan county of Merseyside along the River Dee. Between 1974 and 1996, it was a county with a county council, and it was divided into six districts. It is named after the River Clwyd, which runs through the region.