Kaihua County is located in the west of Zhejiang Province, northwest of Quzhou City, at the source of Qianjiang River, at the junction of Zhejiang, Anhui and Jiangxi provinces, with the latitude of 28 54 ′ 30 ″ to 29 29 ′ 59 ″ and the longitude of118 0/′15 ″. It borders Chun 'an County in Hangzhou in the east and northeast, Changshan County in the east and south, and Yushan County and Dexing City in Jiangxi Province in the southwest.

It is known as the "protective barrier" because it intersects Wuyuan County, Jiangxi Province in the west and northwest, and depends on Xiuning County, Anhui Province in the north. The county has a circumference of 297.73 kilometers, a width of 59.2 kilometers from east to west and a length of 66 kilometers from north to south, with a total area of 2236.6438+0 square kilometers.

Terrain of Kaihua County:

Kaihua County is dominated by hills and is known as "nine mountains, half water and half fields". The whole terrain is high in the northwest and low in the southeast, and the middle and southeast gradually transition from Zhongshan to small basins with low mountains, high hills, low hills and river valleys. The highest peak is Baishijian, with an altitude of 1, 453.7 meters.

The largest river in China is Ma Jinxi, which is the mainstream of Changshan Port. It is very long, with a drainage area of 1 0,067.5 square kilometers and an average annual flow per second. The main tributaries are Hotan Creek, Cuntou Creek, Zhongcun Creek, Jincun Creek, Chihuai Creek, Longshan Creek and Maan Creek. ?