太白山脈
The Nakdong flows from the Taebaek Mountains to the South Sea or Korean Strait, which separates Korea from Japan. The river originates from the junction of the Cheolamcheon and Hwangjicheon streams in Dongjeom-dong, Taebaek city, Gangwon province. From there to its mouth it winds for about . The width of the river ranges from only a few metres in its upper reaches, to several hundred metres towards its estuary.