北盘江
During the Warring States Period, the area belonged to the independent kingdom of Yelang. The "Records of the Grand Historian" states that of all the independent kingdoms in the area, Yelang was the largest. The kingdom was located along Zangke River (now called Beipan River), and Nanpan River. Bamboo Worship, Cow Totems, bullfights and dogfights were the culture traditions of the Yelang Empire. In 111 BCE, Yelang was conquered by the Han Dynasty, and incorporated as . From 28 BCE to 25 BCE, an insurrection against Emperor Cheng called for the reinstatement of the Yelang Kingdom, but was crushed by Han forces.