Country/territory: North Korea
Subnational regions: Ryanggang-do
Central coordinates (latitude / longitude): 41°47'59"N / 128°19'00"E (41.8000° / 128.3167°)
Area (reported): 45,000 hectares / 450.00 km² / 111,197 acres / 173.75 square miles
Altitude: 800–2750 m (2,620–9,020 ft)