Gran Colombia Gold Corp. (Gran Colombia) is a Canada-based gold and silver exploration and development company. The Company is engaged in the acquisition, exploration, development and operation of gold properties in Colombia. Gran Colombia is an underground gold and silver producer in Colombia with several underground mines and over two processing plants in operation. It holds interest in underground gold and silver mining operation in Colombia, the Segovia Operations, and also holds interest in the Marmato Project. The Segovia Operations include the El Silencio, Providencia and Sandra K underground mines in the Municipality of Segovia, and the Carla underground mine in the Municipality of Remedios, located approximately 10 kilometers southeast of the Segovia mines. It has exploration properties in Venezuela. The Zancudo project in the Titiribi mining district of Antioquia comprises a gold mine, the Independencia Mine, in the Middle Cauca Gold Belt.