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以礼河开发及总布置以礼河发源于滇东北会泽县境内野马川,是金沙江右岸的一条支流.自东南流向西北,在巧家附近注入金沙江,河道全长122 km,流域面积2558 km~2,下游河道坡降很大,中、上游稍平缓.流域内绝大部分为山岳地带,地形起伏大,海拔高程在700～3000 m 之间.河道天然落差约2110 m,可利用落差1413 m,落差集中,水流端急,水力资源优越.以礼河东面有牛栏江,西有小江及其支流盐水沟和大水沟,这些河流与以礼河流向接近平行,距离较近,根据《以礼河技术经济调查报告》对以礼河开发方案选定为跨流域开发。
The development and arrangement of the Li River Li River originates from the Mustang River in Huize County, northeast Yunnan, and is a tributary of the right bank of the Jinsha River. It flows from the southeast to the northwest and into the Jinsha River near Qiao Jia. The total length of the river is 122 km and the drainage area 2558 km ~ 2, downstream slope is very large, middle and upper reaches of a little gentle.The vast majority of the basin is a mountainous area, the terrain undulating, altitude 700 ~ 3000 m between the natural drop of about 2110 m, can be used The gap is 1413 m, the gap is concentrated, the current is daunting and the hydraulic resources are superior. There are Niulan River to the east of Lihe River, Xiaojiang River and its tributary salt gully and Dashuigou in the west. These rivers flow close to Yilihe River at a short distance , According to “Li River Technical and Economic Surveys Report” to the development of the river project selected as inter-basin development.