Nenthead Mines is an important historic place at Nenthead, near Alston, in Cumbria, UK. This remote valley is covered by remains from the lead and zinc mining industry of the North Pennines, including mine entrances, dumps and old buildings. The site includes a geology Site of Special Scientific Importance and is notable for rare lichens and plants growing on the metal-rich mine dumps. Most of the valley is a National Ancient Monument. The conserved buildings on the site include a small museum and interpretation display and there is a network of paths and trackways. Carrs Mine is an old lead and zinc mine which is open to visitors on special days. Guided trips into the mine are arranged on Open Days. The Nenthead Mines Conservation Society is working with Cumbria County Council to care for, manage and maintain this historic site. Most of the valley is owned by Cumbria County Council and is managed on their behalf by the Society.