La Gran Corta

For decades, La Gran Corta, located in the land of the Bercian towns of Lillo and Otero de Naraguantes, was the main strip mining in the Fabero basin and the largest open-pit coal mine in Spain, with an area of more than 600 hectares from where thousands of tons of the black mineral were uprooted. After the end of the extractive activity, the slopes of this huge scar show the ancient fossil treasures of plants that inhabited the area in the period when coal began to form, 300 million years ago.