Country/territory: Japan
Central coordinates (latitude / longitude): 37°43'59"N (37.7333°) / 140°10'59"E (140.1833°)
Area (reported): 29,000 hectares / 290.00 km² / 71,661 acres / 111.97 square miles
Area (GIS-derived): 28,689 hectares / 286.89 km² / 70,892 acres / 110.77 square miles
Altitude: 520–2105 m (1,706–6,905 ft)