The Beigang River, formerly known as the Pakan from its Hokkien pronunciation, is a river in Taiwan named for Beigang, a port 20 kilometres from its mouth. It flows through Yunlin and Chiayi counties

Yunlin is a county in western Taiwan. Yunlin County borders the Taiwan Strait to the west, Nantou County to the east, Changhua County to the north at the Zhuoshui River, and Chiayi County to the south