Country/territory: Russia (Asian)
Central coordinates (latitude / longitude): 49°30'27"N (49.5075°) / 135°51'58"E (135.8664°)
Area (reported): 390,000 hectares / 3,900.00 km² / 963,711 acres / 1,505.80 square miles
Area (GIS-derived): 391,542 hectares / 3,915.42 km² / 967,521 acres / 1,511.75 square miles
Altitude: 100–200 m (328–656 ft)