Montero Mining and Exploration Ltd., together with its subsidiaries, engages in the acquisition, evaluation, exploration, and development of mineral properties in Chile. It explores for gold, silver, and copper molybdenum deposits. The company holds an interest in the Avispa project that covers an area of 17,000 hectares located in the Atacama region of northern Chile. It also holds an interest in the Isabella gold silver project covering an area of 7,775 hectares located in southern Chile. The company was incorporated in 2006 and is headquartered in Vancouver, Canada.