The Introduction of Black Fish River

Black Fish River is an underground river,it is formed after volcanic activity,under the work of Lava flow,magma plug underground river, make the underground river exposed and become a surface river.Since in summer and autumn every year,people often can see some black fish outflow from outlet,so people named it "Black Fish River".Black Fish River is a largest low temperature spring of Tengchong,the water is high-quality natural mineral water.