Nenthead Mines is a 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, watercourses, dressing-floors and buildings. The site is famous for its geology and is notable for rare lichens and plants growing on the metal-rich mine dumps. Most of the valley is a Scheduled Ancient Monument.