The Gumyoshevsky mine, also called Gumeshki, Gumeshevsky or Gumishevskoye mine is a copper mine located in the town of Polevskoy, in Sverdlovsk Oblast of Russia. It has estimated reserves of 48.5 million tonnes of ore grading 1.02% copper. It was called "The Copper Mountain" or simply "The Mountain" by the local populace.