Tumen River

The Tumen River is a significant waterway in East Asia that forms part of the border between North Korea and China, as well as near Russia and South Korea. It flows about 520 kilometers (323 miles) from the east in the Taebaek Mountains to the Sea of Japan (East Sea). The river is important for transportation, trade, and regional security, and it passes through vital economic zones. Its strategic location influences geopolitics, regional development, and environmental issues in the surrounding countries.