Rochester Resources Ltd., a junior natural resource company, engages in the acquisition, exploration, and development of mineral properties in Mexico. It primarily explores for gold and silver deposits. The company holds 100% interest in the Mina Real property that consists of 11 mining concessions and one mineral claim covering approximately 21,367.42 hectares; and the San Francisco property, which includes twelve mining concessions covering an area of 18,125.05 hectares. It also has an agreement to acquire a 70% interest in the Santa Fe property that comprises one mining concession covering approximately 3,852.66 hectares. The company was incorporated in 1989 and is headquartered in Vancouver, Canada.