Nakdong River

The Nakdong River, also known as the Nakdonggang, is a river in South Korea and the South Korea's longest river, passing through major cities such as Daegu and Busan. It gets its name from its role as the Gaya confederacy's eastern border during Korea's Three Kingdoms Era.

The Nakdong River flows from the Taebaek Mountains to the South Sea, also known as the Korean Strait, which separates Korea and Japan. The river is formed by the confluence of the Cheolamcheon and Hwangjicheon streams in Dongjeom-dong, Taebaek city, Gangwon province. The river's width varies from a few metres in its upper reaches to several hundred metres near its estuary.

The Yeong, Geumho, and Nam rivers are major tributaries. The Nakdong, along with its tributaries, drains the majority of North Gyeongsang and South Gyeongsang provinces, as well as small portions of North Jeolla, South Jeolla, and Gangwon. The total area of the watershed is 23,384 square kilometers (9,029 sq mi).

Length: 510 km (320 mi)