Geographic Details

Lake Baikal


Coordinates	53°30′N 108°12′E / 53.5°N 108.2°E / 53.5; 108.2
Lake type	Continental rift lake
Primary inflows	Selenga, Chikoy, Khilok, Uda, Barguzin, Upper Angara
Primary outflows	Angara
Catchment area	560,000 km² (216,000 sq mi)
Basin countries	Russia and Mongolia

Max. length	636 km (395 mi)
Max. width	79 km (49 mi)
Surface area	31,722 km² (12,248 sq mi)
Average depth	744.4 m (2,442 ft)
Max. depth	1,642 m (5,390 ft)
Water volume	23,615.39 km³ (5,700 cu mi)
Residence time (of lake water)	330 years
Shore length	2,100 km (1,300 mi)
Surface elevation	455.5 m (1,494 ft)

Frozen	January–May
Islands	27 (with Olkhon)