Rason

Rason (formerly Rajin-Sŏnbong; ) is a North Korean special city and ice-free port in the Sea of Japan in the North Pacific Ocean on the northeast tip of North Korea. It is in the Kwanbuk region and location of the Rason Special Economic Zone.

special economic zone in North Korea

Tumangang () is a neighbourhood of Sonbong ward (guyok) in Rason, North Korea, near the China–North Korea–Russia tripoint where the three countries meet. It is located across the homonymous Tumen River from the Russian settlement of Khasan and the Chinese village of Fangchuan. The Korea Russia Friendship Bridge connects Tumangang and Khasan and is the sole crossing point on the long North Korea–Russia border. Trains coming from and going to Russia are handled by Tumangang station.