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The landscape of the Elias valley is still dominated by large heaps from the uranium mines, which had been immediately overgrown by self-seeding trees. In the lower part of the valley the Zimní Eliáš heap ranks among the largest. There is still to find numerous rare minerals. Also the heaps provide a habitat to a number of protected plants, including endangered species of orchids (dark red helleborine, common marsh orchid, heath spotted orchid, one-flowered wintergreen, etc.). Those plants benefit from the occurrence of calcite from vein fillings that came on the heaps.