アルダン川
Yenisey and Lena Basins: Yeniseysk is on the Yenisei River just north of its juncture with the Angara River. From Yeniseysk east up the Angara to the Ilim River, upstream to Ilimsk (1630), portage to Kuta River, short trip downstream to Ust-Kut (1631) on the Lena River. From here northeast down the Lena about 1400 km to Yakutsk, which is 4900 km east of Moscow. Yakutsk is a major stopping point and administrative center. Then 125 km down the Lena to the Aldan, up the Aldan River to Ust-Maya, then up the Maya River or its right branch, the Yudoma River.