Klondex Mines Ltd., together with its subsidiaries, acquires, explores, and develops mineral properties in north central Nevada, the United States. The company primarily focuses on gold and silver deposits. Its principal properties comprise the 100% owned Fire Creek Property with approximately 15,421 acres of unpatented lode mining claims, 1,114 acres of private fee land, and 229 acres of mineral leases located in Lander County; and Midas mine and ore milling facility comprising 1,489 federal unpatented mining claims located in Elko County. The company was formerly known as Attila Resources Limited and changed its name to Klondex Mines Ltd. in October 1974. Klondex Mines Ltd. was founded in 1971 and is headquartered in Vancouver, Canada.