A giant mine

A valley of glacial origin with moraines, kars (Úpská jáma, Velká and Malá Studniční jáma), gorges, waterfalls, avalanche slopes and meadow enclaves. Rare flora and fauna can be found in the kares (Sudeten louse, spring horsetail, red-leaved wood grouse, black grouse, rare insects. The "Krakonoš garden" is a particularly biologically valuable area. Since the 16th century, with breaks, the valley has been mined for iron, copper and …