The main tributary of the Yi River.

The main tributaries of Luanchuan County are:

This small river, called Yong Yong Water in ancient times, originated from Miaozigou, Tieling Village, Baitu Township. From west to east, it flows through Baitu Township, Shizimiao Township and Qiuba Township, and joins the Yi River in Duantan Village, Tantou Township. It is 44 kilometers long, the drainage area is 6 16 square kilometers, the riverbed is about 50 meters wide, the average annual runoff is1380,000 cubic meters, and the tributary length is more than 10 kilometers.

Understand the river, which originates from Muhu Mountain in Mingchuan, Checun, Song County, enters the township 2 kilometers south of Diaoyutai Village in Heyu Township, enters and exits Song County 2 kilometers north of Miaowan Village, and flows into Yihe River in He Qian. North-south flow, 55 kilometers long, 32.5 kilometers long in the county. The basin covers an area of 236 square kilometers and the riverbed is about 40 meters wide. The average annual runoff is 94 million cubic meters. The main tributaries of Yichuan County are:

Bai Ze River and Yangshun River are tributaries of Yi River, with a drainage area of over 65,438+000 square kilometers. There are five tributaries 15, such as Dukang River, Yinhe River, Quhe River, Muhe River, Ganhe River, Yanshahe River, Shahe River, Yongding River, Dinghui River, Jiangzi River, Zhang Mian River, Fudian River, Heyuan River and Maying River, and the basin area is insufficient 100 square kilometer. There are 9 small tributaries such as Mindian, Zhangzhuang, Luocun, Dongcun, Louzigou, Yaowan, Xicaodian, Shen Nan and Shuizhai.

Maying River, also known as Qianxi River, originates from Zhuhan Village, Yaling Township, flows through Jiazhai, Amber, Lizhuang, Shuangmiao Village, Qianheiyang, Heiyang, Beigou, Weijiagou and Maying to the northeast of Huaishu Street, and flows into Yihe River. The total length of the main stream is10km, and the drainage area is 2 1 km2. The average annual flow is 0.05 cubic meters per second. Shuangmiao Reservoir is built on the main stream in the upper reaches, with tributaries of Liangcungou and Beigou in the middle and lower reaches, forming a river 700 meters below the village.

The Yellow River originates from the north of Gaogou Village in Yaling Township, flows through Chengling, Liugou and Huanggou, flows to the northeast of Yao Di Village, and joins the Yihe River. The main stream is 4 kilometers long and the basin area is 5.5 square kilometers. It is a seasonal river. Liugou Reservoir is built on the main stream.

Yiliying River, also known as Qijian River, originates in the north of Yaling Village, flows through Gaogou, Beiwogou and Xugou in the east of Yiliying Village, and flows into Yihe River. Its main stream is 6.5 kilometers long, its drainage area is 9.8 square kilometers, and its annual average flow rate is 0.05 cubic meters per second. 1967, Beiyaogou Reservoir is built in the upper reaches of the main stream.

Fudian River, a small river in the north, also known as Tugou River, originates from Xixugou Village, Yaling Township, flows through Kanggou, Shi Yao and Nanbei Fudian, and joins Yihe River in the northeast of the county. The total length of the main stream is 6.3km, and the drainage area is 9.0.1m3/s. ..

The Milky Way, named after the white river, originated in Daxigou Village, Yiyang County, and flowed into the Yi River from north to southeast through Wei Zhuang, Potouzhai, Songdian, Mahuiying to Mahuibei. The total length of the main stream is 16km, the drainage area is 84. 1km2, and the average annual flow is 0.2m3/s. After the founding of the People's Republic of China, the Jianshe, Dongzigou and River Diversion Reservoirs were built, and the production-increasing reservoirs were built on the tributaries of the middle reaches.

Yangshunhe originates in Deng Zhuang, Dongwangzhuang Township, Yiyang County, and flows through Lisanpo, Dongzhuang, Yancun, Idy, Zhang Cun, Suncun, Yezhai, Jiuzhai and Gao Ming villages in Yiyang County, and joins yi river in the north of Dayuan Village. Liu Yu has a total length of 20 kilometers, a drainage area of 120.6 square kilometers, and an average annual flow of 0.2 cubic meters per second. 1958, Gao Ming commune built a small secondary reservoir near Dougou village in Yiyang county. Later, due to disputes between Yichuan and Yiyang counties over the interests of the reservoir area and irrigation area, the reservoir was handed over to Yiyang county for management. There is Yuqun Reservoir (Class 2) in the middle reaches.

The dry river originates from Li Dingshan, yiyang county, and flows through Deng Ling, Qiao Zhuang, Leigou, Shiwo, Xingzhuang to the northeast of dry river village, and flows into yi river. The total length of the main stream is 25 kilometers, and the basin area is 67.6 square kilometers. The dry river is a mother-child river. There is water above the upper riverbed and below the middle riverbed. Due to the influence of stratum structure, there is almost no water in the lower part of the river bed, so it is named dry river. From 65438 to 0969, Gao Ming Commune built a small first-class reservoir in Leigou Village, Dongwangzhuang Commune, Yiyang County.

Shahe, which originated in Naoshan, has a main stream of 5 kilometers long and a drainage area of 7 square kilometers. It flows through the countryside, Shangli and Guanzhuang to the southwest of Quwang Village and enters the Yihe River.

Yanshahe River originates from Naoshan and Nugget Peak. Qianhe River10.5km, with a drainage area of 52.7km2.. It flows through Wang Nan, Baiyao, Chaizhuang and Wangsan and joins the Yihe River in the southwest of Luzhai Village.

Du, according to the Water Classic Note, Kangshuiyuan came from Niu Shan and merged in Iraq, with a length of 10, so Dukangjiu became popular. Kangshui, namely Dukanghe and Niu Shan, namely the hills south of Huangdui Village in Gezhai Township. Dukang River originates from Huaizi Village, Niu Shan, Huangdui Administrative Village, Gezhai Township, flows through Huangdui, Shangxiacaidian, Zhifang and Yaowan in Ruyang County, and then flows into the Yihe River through Xinzhuang, Shangshuimo, Bai Yuan, Liangzhai and Xiabao in Bai Yuan Township. The total length of the main stream is 17.5km, the drainage area is 74.8km2, and the annual average flow is 0.3m3/s. ..

Yongding River, originating from Niangniang Mountain, flows through Rudian, Gaogou, Yangzhai and Fuliudian to the southwest of Tumen Village and joins the Yihe River. The total length of the main stream is 1 1.5 km, the drainage area is 49 square kilometers, and the annual average flow is 0.3 cubic meters per second. There are two types of reservoirs in Kutou Village and Yichuan County of Ruyang County, which are called Yangcha Small Reservoir.

Baiwei River is called "Crazy Water" in water mirror notes. Mencius Teng Wengong Up (Down) contains: "Water flows against the current. Drowners, floods. " The source of this river starts from Huanglongdong Mountain in Dengfeng County, from east to west, it enters Yichuan from Zhangmen Village in Angelababy Township, passes Banpo, Jiangzuo, Baisha and Shuizhai Township, and joins the Yihe River in the southwest of Jimo Village in Shuizhai Township, with a total length of 48 kilometers, a drainage area of 423 square kilometers and an average flow of 0.4 cubic meters per second for many years. There are 2 medium-sized reservoirs in Liu Yao and Songyao, 5 small reservoirs in Chengcun, Yinwan, Dinghui, Pangyao and Fanzhai, and 2 small reservoirs 18.

Muhe, which originated in the watershed of Ludian Township, flows northward through Miaogou, Caogou and South Cliff of Shen 'e and enters the Yihe River. The total length of the main stream is 15.5km, the drainage area is 3 1.2km2, and the average annual flow is 0.1m3/s. Miaogou Reservoir is built in the main stream, Caogou Reservoir and Shen Ge Reservoir are built in the north tributary, and Simagou Reservoir and Shenpu Reservoir are built in the south tributary.

Quhe River, also known as Xiaokuangshui, originated in Zhang Yao Village, Jiangzuo Township, and flows from east to west through Fenggou, Xingpo and Xuying to the northwest of Pengpo, where it joins the Yihe River. The main stream is 20 kilometers long, the basin area is 83.2 square kilometers, and the average flow for many years is 4. 1 m3 per second. 196 1 year, Diaojiangou and Mudangou reservoirs were built on the main stream, and Lianggou reservoir was built on the north tributary.

Dinghui River, called Yanshui in ancient times, originated in the south of Shizitou Mountain in Jiangzuo Township. "Shan Hai Jing" contains: the southwest of crazy water meets drowning (drowning is now Dinghui River), and drowning comes from drowning valley (south of Shizitou Mountain). Dinghui River is the largest tributary of Baiwei River, which flows through Sanfeng Temple, Yinwan and Liu Ding to the east of Xia Mo Village and joins Baiwei River. With a total length of 18.5km, a drainage area of 62km2 and an average annual flow of 0.2m3/s.. 1957, five reservoirs, namely Lianhua River, Wu Gou, Yinwan, Mahewan and Dinghui, were built on the main stream, and three reservoirs, namely Dongyanggou, Zhang Cun and Yaogou, were built on the tributaries.

Jiangzi River, also known as Jiangzuo River, is the second largest tributary of Baiwei River. "Luoyang County Records" contains: "Jiang Zuoshui, the old record said that Taigong was fishing here, which is not true." Originated in the south of Waizui Mountain in Jiangzuo Township, it flows through Yangyao, Chengcun, Wulitou, Jiangzuo and Mengjiayao, reaches Erlang Temple and enters Baiwei River. The total length of the main stream is14.5km, the drainage area is 52.7km2, and the annual average flow rate is 0.2m3/sec. After 1957, there are three reservoirs, namely Chengcun, Lianban and Wang Yao, and four reservoirs, namely Weicun, Duancun, Jiulongkou and Shangcaiyuan, are built on the tributaries.

Zhang Mian River, also known as Shayuan River, originates from Zhang Mian Village, Gezhai Township, south of Jinding North, flows through Zhang Mian, Shayuan, Nanping and Jianyan, and joins the Yi River in the north of Shuangtou Village, Baiyuan Township. The total length of the main stream is 14km, the drainage area is 42.6km2, and the annual average flow is 0.2m3/s. Dongshimen Reservoir is built on the main stream, and Qianfoshan Reservoir is built on the tributary of the middle reaches. The main tributaries of Yanshi County are:

Majian River originates from Baiyugou in the east gorge of Xiangluzhai, with Baiyu River in the upper reaches. After flowing north through Dongpo, Yao Feng and Yang Shu Temple, it flows west through Anle, Qiaojiazhai and Pearl Spring, and enters the Kowloon Point Reservoir. At the same time, there are Laiding River (originating in the west valley of Xiangluzhai and flowing through Ma Yao, Yuhuangquan, Mabaoquan and Zhuzhenquan in the northwest) and Paddy River (originating in the west valley of Maanshan, flowing out of the northwest valley through Caoyao and Haojiazhai and flowing into the northeast through Ding Yao). After leaving the warehouse, the water is called Majianhe, which flows northwards and merges with the water phase of Cheligou (the water source of Cheligou comes from Xishanxi of Cheliyao, flows eastward through Ma Yao, Wanguo, Ren Yao, Li Yao and Xiniuyao, and turns northeast into Majianhe), and enters Majianhe Reservoir through Qijiayao and Tunzhai. Enter Taohuadian Reservoir via Maha, zhang wan, Wujiawan, Chou He, Huazhai and Pot Kiln.

Liu Jianhe, named after the confluence of Liu Jianhe and Jianhe. Liuhe was originally named because Liu was here in the Spring and Autumn Period, and later generations got this name because Liu Zi added water. Heyuan is located in Maonan Valley, Xiguan, and flows eastward to the northwest, enters Xiahousi Reservoir through Maonan, Xiguan, and then flows northwest through Rencai Village and Lu Cun to Liuhe First Reservoir. The water in Sunzhai (located in Nanshan River, Liu Zhuang, put into storage by Shuangquan) is also in the same reservoir. After leaving the library, Beiliu flows into Liuhe No.2 Reservoir via Xiqijiayao, and then flows into Leigutai Reservoir via Yao Zheng to the northwest. Jian River, formerly known as Highway Jian River, originates from Donggou, Huangcaogudui, Baibuling and Dongcun, passes Yangjiagou to the north, passes through Zhaizhai Jianguo Village, then flows northeast through Yinlizhai and Taojia Village, and flows into Leigutai Reservoir. Rivers entering the reservoir also include Tieyao River (also known as Heshui River). The upstream source is Sidaogou water, which flows out of the valley to the west, joins with Sandaogou water and Erdaogou water, flows to Zhang Shan to the west, and is called Tieyao River to the north. The river flows northeast into Leigutai Reservoir through Tieyao, Mazhai and Caozhai. Liuhe River, Jianhe River and Tieyao River meet in Leigutai Reservoir, and then flow northward through Chengzigou and River Verdon to Taohuadian Reservoir.

After Majian River and Liujian River enter Taohuadian Reservoir, the downstream river flows over Liwan in the north, out of the ditch around Baiyun Mountain, and flows into Yihe River in Guxian North.

Shahe River originates from the southeast mountain stream of Wulong in Koudian Township. The stream flows to the northwest and enters the first reservoir of Shahe River. It also flows northward into the second reservoir of Shahe River through Wang Kiln and Gao Kiln. Water is discharged from the warehouse to Mazhai Shuiquangou (the water source of Shuiquangou comes from the south mountain stream of Shuiquankou, flows northward through Shuiquankou, Shi Yao and Shahe No.3 Reservoir to Mazhai, and then flows into Shahe No.5 Reservoir through Mazhai, Dongzhu Village, Xihanzhai, Shagou, Joulta and Chenjiayao). Out of the library, turn to the northwest, and enter yi river via Sujiayao, Wutun, Pangcun and Pengdian.

Dongshagou River originates from the South Canyon between Xiaozhun Nanzhai. Out of the valley, the northwest flows through Xizhai, turns north, passes through Luqiao, Gaozhai, Jijiaqiao, Shuiniugou and Pengdianzhai, and enters the Yihe River.

Jiuliugou River originates from the northeast valley of Shangxuma. Out of the valley, it flows to the northeast and enters Chengou Reservoir via Buffalo ditch. Out of the library, into the northwest Jiuliugou Reservoir. After that, it pours into the Yi River.

Zhuge Gou River originates from the northwest valley of Shangxuma, flows northwest through Xiaxuma and Caozui after leaving the valley, and enters Zhuge Reservoir. Out of the library, into the yidong canal.