Basic situation of Guichunjiang River

The source of the surface part of the Heishui River is the Dalongtan at the foot of the stone mountain on the east side of He Huan Village, Xinjing Town, Jingxi County, Guangxi Zhuang Autonomous Region. This pool is a rising spring, deep and big. Its source is Baibu Spring in the south of Baibu Village, Tongyuan Village, Bameng Township. In summer and autumn, spring water gushes out of the ground, flows through Tangma, Longgang, Dadao, Lingai and other villages, and is about 8 kilometers long. It is injected into the cave and flows into the Baibu-Dalongtan underground river. The undercurrent is about 10 km away from Dalongtan, and the pool water flows southward into Longtan River. Near Lion Mountain in wulong village, you can find Pangling River, west of Balingtun, Changfu Village, Zuona Qulai River, and Aibu Village, Huadong Town. You can find Yequan River at Nengshoutun 19 overpass. Hereinafter referred to as difficult beach river, also known as difficult beach water. The southeast flows through Daxing Village, Xuyue Township, and flows into Vietnam at No.74 boundary pillar of Doulunguan, which is called Guichun River (Guichun is the turning point of surrender, hence the name). Turn east to Detian Tun, Shuolong Township, daxin county, and meet with Luoshui (called Xialei River in daxin county) in Niandi Tun, daxin county. It is called Heishui River, and it joins Zuojiang River at the junction of Mianjiang Village, Xiangshui Township, Longzhou County and Chongzuo County.

From Detiantun to Nianditun in Shuolong Township, daxin county, the total length is18.93km.. The section from Detiantun to Shuolong Street is the natural border between China and Viet Nam. The villages that Guichun River passes through are Detian, Liu Deng, Aitun, Naya, Longhong, Gutun, Shuolong Street, Rentun, Mitun, Shatun and Niandi. 1982 The average flow rate is 62.02 cubic meters per second, and the water diversion project of Yuejin Canal is introduced into Guichun River from daxin county.