Its current starts from Hon Ba Mountains. One going north to the rice fields and another overflowing a hard rock, platform to the east, joining the Cai River.

The charming scenery has given birth to many legends; fairies would leave Heaven to come bathing at the stream. Male fairies played chess on stone blocks. Foot prints left by a giant who, in a moment of enchantment when seeing the fairies swimming, slipped and nearly fell down into the water.