近年一些图集等将我国西南横断山区北部的理塘河标注为无量河。作者从有关地图、历史文献考证了无量河并非理塘河,而是今日的水落河。

The Wuliang River, located in the northern part of the Hengduan Mountains of Southwestern China, is indicated in different positions on different maps published in china.It is indicated on Some maps as the Wuliang River or the Shuiluo River, and on other maps it is indicated as the Wuliang River or the Litang River.After a lot of textual researches, the writer holds that the Wuliang River is not the Litang River. It is the Shuiluo River and also by the name of the Chongtian River.