The ore mountains, Czech Krušńe hory, are a rough, 1230 km long and 30 to 50 km broad low mountain range composed of gneisses. The comb high froms the Border between Germany and Czech. The west of ore mountains are geomorphologically more strongly cut than the east ore mountains eastern of the Flööha valley.

The ore mountains are formed like a desk with cleared high areals, deeply cut forest valleys and saliently mountain tops. wooed steep waste to the south to Ŏhregrabne and the basin of Teplice. The highest mountains are the Klinovec (1233 m), the Fichtelberg (1244 m) and the Auersberg (1019 m)