Country/territory: Japan
Central coordinates (latitude / longitude): 24°46'59"N (24.7833°) / 141°19'00"E (141.3167°)
Area (reported): 3,255 hectares / 32.55 km² / 8,043 acres / 12.57 square miles
Area (GIS-derived): 3,263 hectares / 32.63 km² / 8,063 acres / 12.60 square miles
Altitude: 0–916 m (0–3,005 ft)