Geological monuments

Dumnaya mountain (), is a peak in the old part of the town of Polevskoy in Sverdlovsk Oblast, on the right bank of the Polevaya river. The top of the hill is flat, covered with birch forest, the western slope steepens towards the river bank. The northern slope is more gentle, and the mountain massif extends a kilometer to the east. The Polevskoy Copper Smelting Plant operated from 1724 to 1930 beneath the mountain on the riverbank.