Irkutsk Oblast topographic maps

Average elevation: 430 m

Average elevation: 578 m

The Lena originates at 1,640 meters (5,381 ft) of elevation in the Baikal Mountains, 7 kilometres (4 mi) west of Lake Baikal, south of the Central Siberian Plateau. The Lena flows north-east and traverses the Lena-Angara Plateau, then is joined by three tributary rivers: (i) the Kirenga, (ii) the Vitim, and…

Average elevation: 347 m

Average elevation: 554 m

Average elevation: 1,292 m

Average elevation: 652 m

Average elevation: 446 m

Average elevation: 711 m

Average elevation: 339 m

Average elevation: 355 m

Average elevation: 515 m

Average elevation: 541 m

Average elevation: 307 m

Average elevation: 322 m

Average elevation: 495 m

Average elevation: 476 m

Average elevation: 567 m

Average elevation: 437 m

Average elevation: 490 m

Average elevation: 476 m

Average elevation: 275 m

Average elevation: 516 m

Average elevation: 511 m

Average elevation: 445 m

Average elevation: 618 m

Average elevation: 887 m

Average elevation: 519 m

Average elevation: 588 m

Average elevation: 428 m

Average elevation: 453 m

Average elevation: 468 m

Average elevation: 441 m

Average elevation: 315 m

Average elevation: 1,423 m

Average elevation: 486 m

Average elevation: 451 m

Average elevation: 586 m

Average elevation: 222 m

Average elevation: 410 m

Average elevation: 437 m

Average elevation: 344 m