Country/territory: South Korea
Central coordinates (latitude / longitude): 38°15'00"N (38.2500°) / 127°13'00"E (127.2167°)
Area (reported): 4,332 hectares / 43.32 km² / 10,705 acres / 16.73 square miles
Area (GIS-derived): 10,211 hectares / 102.11 km² / 25,232 acres / 39.42 square miles
Altitude: 190–300 m (623–984 ft)