Country/territory: Russia (Asian)
Central coordinates (latitude / longitude): 46°25'28"N (46.4245°) / 142°43'52"E (142.7311°)
Area (reported): 325,000 hectares / 3,250.00 km² / 803,092 acres / 1,254.83 square miles
Area (GIS-derived): 323,873 hectares / 3,238.73 km² / 800,308 acres / 1,250.48 square miles
Altitude: 0–10 m (0–33 ft)