The Tumen Border Bridge is a bridge over the Tumen River, connecting Tumen City, Jilin Province, China, with Namyang, Onsong County, North Hamgyong Province, North Korea. It was built in 1941 by the Japanese and is 515 metres long, 6 metres high, 6 metres wide. Tumen Border Post is located there. A little upstream from the bridge is Tumen Border Railway Bridge.