Boundary Gold & Copper Mining Ltd. engages in the acquisition, exploration, and development of mining properties. The company is headquartered in Vancouver, British Columbia. The Company’s principal business activity is the acquisition and exploration of mining properties. The Company’s exploration and evaluation assets include the Kena-Daylight Project and the Toughnut Property. The Kena-Daylight Project is located in the Nelson area of British Columbia, Canada. The Toughnut Property is located in southeastern British Columbia. The Company’s subsidiary is Scion Mines S.A. de C.V., which is engaged in mineral exploration.