Wiwŏn County is a kun, or county, in northern Chagang province, North Korea. It stands across the Yalu River from the People's Republic of China. It was originally part of North P'yŏngan province, but was annexed to Chagang in 1954. It borders Manp'o and Sijungto the north, Kanggye and Songgan to the east, Ch'onch'ŏn to the southeast, Kop'ung to the south and west, and Ch'osan to the west.
The Unbong Dam, or Yunfeng Dam, is a concrete gravity dam on the Yalu River which borders China and North Korea. It is located 33 km (21 mi) northeast of Ji'an in Jilin Province, China and Chasŏng in Chagang Province, North Korea. The primary purpose of the dam is hydroelectric power generation and it supports a 400 MW power station. Construction of the dam had initially began in August 1942 but was halted in 1945 after the surrender of Japan ending World War II. In October 1959, construction on the dam recommenced and in September 1965, the first of the four 100 MW Francis turbine-generators was operational. The last generator was operational on 4 April 1967. The 113.75 m (373 ft) tall dam creates a reservoir with a storage capacity of 3,895,000,000 m3 (3,157,728 acre⋅ft). The dam's spillway is an overflow type with 21 floodgates and has a maximum discharge of 21,900 m3/s (773,391 cu ft/s). The dam is located before a bend in the river and its power station is located on the other side of a ridge that meets the dam's right abutment. Water is delivered to the power station via two tunnels, 775 m (2,543 ft) and 759 m (2,490 ft) long. Generators 1 and 3 deliver power to China while 2 and 4 deliver to North Korea.
The Changyŏn Line is a non-electrified standard-gauge secondary line of the Korean State Railway running from Sugyo on the Ŭnnyul Line to Changyŏn, South Hwanghae Province, North Korea.
The Manp'o Line is an electrified standard-gauge trunk line of the North Korean State Railway running from Sunch'ŏn on the P'yŏngra Line to Manp'o on the Pukpu Line. The line continues on from Manp'o to Ji'an, China.
The Pukbunaeryuk Line, also called the Hyesan–Manp'o Ch'ŏngnyŏn Line after the only completed stage of three planned stages, is an electrified standard-gauge secondary trunk line of the Korean State Railway in Chagang and Ryanggang Provinces, North Korea, connecting the Manp'o Line at Manp'o to the Paektusan Ch'ŏngnyŏn Line at Hyesan. It also connects to the China Railway Meiji Railway via the Ji'an Yalu River Border Railway Bridge between Manp'o and Meihekou, China.
Unha station is a railway station in Manp'o municipal city, Chagang province, North Korea. It is the terminus of the Unha Line of the Korean State Railway.
Kanggye station is a railway station in Kanggye municipal city, Chagang Province, North Korea, on the Manp'o Line of the Korean State Railway; it is also the starting point of the narrow-gauge Kanggye Line to Rangrim.
Manp'o Ch'ŏngnyŏn station is a railway station in Manp'o municipal city, Chagang Province, North Korea, on the Manp'o Line of the Korean State Railway; it is also the starting point of the Pukbunaeryuk Line to Hyesan and of the Unha Line to Unha.
The Unbong Line is a secondary railway line of the Korean State Railway located entirely within Unbong-rodongjagu, Chasŏng County, Chagang, North Korea, running from Sangp'unggang on the Pukbunaeryuk Line to Kuunbong.
Ch'agap'yŏng station is a railway station in Manp'o municipal city, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Mun'ak station is a railway station in Mun'ak-tong, Manp'o municipal city, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway; it is also the starting point of the An'gol Line.
Yŏnp'o station is a railway station in Yŏnp'o-ri, Manp'o municipal city, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Rimt'o station is a railway station in Manp'o municipal city, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Simridong station is a railway station in Simridong-ri, Manp'o municipal city, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Sangp'unggang station is a railway station in Unbong-rodongjagu, Chasŏng County, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway; it is also the starting point of the Unbong Line.
Kuunbong station is a freight-only railway station in Unbong-rodongjagu, Chasŏng County, Chagang Province, North Korea; adjacent to the Chasŏng Dam on the Yalu River, it is the terminus of the Unbong Line of the Korean State Railway.
Chasŏng station is a railway station in Chasŏng-ŭp, Chasŏng County, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Kujung station is a railway station in Kujungyŏng-ri, Chasŏng County, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
Unbong station is a railway station in Unbong-rodongjagu, Chasŏng County, Chagang Province, North Korea, on the Pukbunaeryuk Line of the Korean State Railway.
