Irkutsk Oblast topographic maps

Average elevation: 887 m

Average elevation: 504 m

Average elevation: 435 m

Average elevation: 649 m

Average elevation: 1,072 m

Average elevation: 2,477 m

Average elevation: 552 m

Average elevation: 457 m

Average elevation: 745 m

Originating at an elevation of 1,640 meters (5,381 ft) at its source in the Baikal Mountains south of the Central Siberian Plateau, 7 kilometres (4 mi) west of Lake Baikal, the Lena flows northeast across the Lena-Angara Plateau, being joined by the Kirenga, Vitim and Olyokma. From Yakutsk it enters the…

Average elevation: 290 m

Average elevation: 490 m

Average elevation: 457 m

Average elevation: 428 m

Average elevation: 563 m

Average elevation: 466 m

Average elevation: 442 m