#Yakutia

• Alazeia — A major river located in northeastern Siberia, within the Sakha Republic (Yakutia), Russian Federation; a watercourse with a length of approximately 1,590 km, which rises from the Alazeia Plateau and structurally flows through the East Siberian Lowland in a catchment basin marked by thousands of lakes, emptying into the East Siberian Sea (Arctic Ocean). This river is characterized by an extreme hydrological regime, remaining frozen from late September until early June, serving as a vital ecological artery for the subarctic tundra and forest-tundra zones.
• Aldan — A major river in the Russian Federation (Eastern Siberia), serving as the largest right-bank tributary of the Lena River. Stretching over 2200 kilometers, it traverses the Aldan Highlands in Yakutia, a region rich in valuable mineral resources such as gold, coal, and mica. The term also designates the homonymous mining town located near the waterway.
• Amga River — A major river in Siberia (Russian Federation, Yakutia), the longest left tributary of the Aldan River, within the Lena basin. Its course flows through forested plateaus and deep valleys, featuring a hydrological structure characterized by prolonged freezing during winter and massive discharge in spring.