安徽省北部是淮河的中游,安徽省境内淮河流域面积66,800平方公里,其中淮北是广大平原区,面积38,000平方公里。淮北较大的河道,如颍河、西淝河、涡河、北淝河、浍河、沱河、唐河、濉河等都发源于河南省,除颍河上游在河南境内有山区,以及濉河在上中游地区有部分小山区外,其余都是平原河道,由西北向东南流入淮河或洪泽湖。淮南大部为山区丘陵区面积28,800平方公里,较大河流有史河、淠河、东淝河、窰河、池河、白塔河等,其中史、淠河发源于大别山区,其余都是丘陵 The northern part of Anhui is the middle reaches of the Huaihe River. The Huaihe River basin covers an area of ​​66,800 square kilometers in Anhui Province, of which the vast plain area covers an area of ​​38,000 square kilometers. The larger rivers in Huaibei such as Ying River, Xijiao River, Edo River, Beibei River, Bahe River, Tuohe River, Tanghe River and Bahe River all originate from Henan Province, with the exception of the upper reaches of Ying River in the mountains in Henan Province and Bahe River in the upper reaches of the region has some small hills, the rest are plain rivers, from northwest to southeast flows into the Huaihe or Hongze Lake. Most of Huainan mountain hilly area of ​​28,800 square kilometers, the larger rivers history of the river, the river, the East River, the kiln, Chi River, Baita River, history, Tao River originated in the Dabie Mountains, the rest are hills