Ryanggang Province
The Poch'ŏn Line, also known as Paektusan Rimch'ŏl Line ("Mount Paektu Forestry Line"), is a former partially electrified narrow gauge line of the Korean State Railway in Ryanggang Province, North Korea, running from Karim on the Samjiyŏn Line to Ryanggang Taep'yŏng.