盘龙河是文山州境内最大的河流,流域面积6141km~2,多年平均流量82.7m~3/s,在我国境内干流长235km,落差1415.27m。盘龙河干流中上游流量小,坡降缓,两岸分布农田、城镇等,而干流下游流量大,集中了干流总落差的80%,水力资源开发条件优越。根据云南省文山州政府的要求和水利部 The Panlong River is the largest river in Wenshan Prefecture, with an area of ​​6141km ~ 2 and an average annual flow of 82.7m ~ 3 / s. The main stream in China is 235km long with a drop of 1415.27m. The middle and upper reaches of the Panlong River have small flow and slowed down slopes. Farmland, towns and cities are distributed across the Taiwan Strait. However, the flow in the lower reaches of the mainstream is large, which accounts for 80% of the total drop in the main stream and has superior conditions for developing water resources. According to the requirements of the Wenshan Prefecture government of Yunnan Province and the Ministry of Water Resources