安徽皖西境内的丰乐河,旧称“界河”。据舒城县志记载:“三国、六朝南北分疆,画江淮而守者,以此河为界,故曰界河”。数千年来,州郡沿革,但该河作为界域性河流的性质一直未变。现在,仍是舒城与六安、肥西之间县际分界的河流。 这条河发源于大别山北麓低山丘陵地 Fengle River in Anhui Province in Anhui Province, formerly known as “boundary river.” According to the records of Shucheng County, "Three Kingdoms and Six Dynasties, North and South divided the territory of Xinjiang and drew Jianghuai and keep the river as the boundary. The state has evolved for thousands of years, but the nature of the river as a borderline river has not changed. Now, it is still the river between Shucheng and Lu’an and Feixi, which is the boundary between counties. The river originated in the hilly area of ​​the northern foot of the Dabie Mountains