or HARTZ MOUNTAINS, the most northerly range in Germany, run E.S.E. and W.N.W., between N. Lat. 51° 30' and 52°, and E. Long. 10° and 11° 30'. They are 55 miles long by 19 broad, and cover an area of above 1000 square miles. The water-shed between the basins of the Weser and the Elbe divides the whole range into two parts; the eastern is called the Lower Harz, and the western the Upper Harz. The range exhibits a collection of irregular heights, chiefly covered with pine; on the Lower Harz are also found ash, elm, oak, and beech. The chief summit is the Brocken or Blocksberg, 3740 feet above the level of the sea. Snow lies upon the higher parts of the range during eight months of the year. The chief mineral district is the Upper Harz; it contains lead, silver, and copper mines, affording work for between 15,000 and 20,000 labourers annually. Geologically, the Harz mountains consist of granite and mica slate, which underlies gräuwacke, clay-slate, limestone, gypsum, &c.