Pacific Ridge Exploration Ltd., an exploration stage company, acquires and explores for resource properties in Canada and the United States. It explores for gold and copper deposits. The company’s flagship project is the Kliyul copper-gold project that covers an area of approximately 60 square kilometers located in the northern Quesnel terrane, British Columbia. The company was formerly known as Columbia Gold Mines. Pacific Ridge Exploration Ltd. was incorporated in 1979 and is headquartered in Vancouver, Canada.