黑山头古城位于内蒙古自治区呼伦贝尔盟额尔古纳右旗黑山头乡西北约5公里,南依根河.该古城始建于金代,后为元代继续延用.古城分内外两城,并设有瓮城.外城东西长527米,南北长589米,残高2—3米.城墙四角有角楼,四周有马面,城墙有壕.内城设在外城中间偏东,呈长方形,城墙东西长113米,南北长167米,在城的东西各开一门,城墙也设有壕.另外,从地表遗迹看,外城地表遗迹、遗物较少,只有内城 The ancient city of Heishan is located in the Inner Mongolia Autonomous Region Hulun Buir League Ergun right Banner Heishantouxiang about 5 kilometers south of the root river.The ancient city was built in the Jin Dynasty, With the Urn City .East city is 527 meters long, 589 meters long from north to south, 2-3 meters high .A corner of the corner walls, surrounded by horseshoes, walls have trenches .Internal city located in the middle east of the outer city, was rectangular, wall things 113 meters long, 167 meters long from north to south, things in the city to open a door, the walls are also equipped with moats. In addition, from the surface relics, the outer surface of relics, relics less, only the inner city