Adycha
The Adycha is a river in the Republic of Sakha in Russia. It is a right hand tributary of the Yana, and is long, with a drainage basin of.
At the end of the Soviet period, a big dam with a hydroelectric station was planned to be built on the river, but following perestroika and economic difficulties in the country the project was given up.Course
The river begins in the western flank of the Chersky Range at an elevation of. It heads roughly north and northwest across a wide river valley where taiga and forest tundra predominate. Finally, after flowing across the western end of the Kisilyakh Range, it joins river Yana from the right about to the north of Batagay. The river is also known as "Borong" in a section of its upper course.
The main tributaries of the Adycha are Delakag, Charky and Tuostakh on the right; and Derbeke, Nelgese and Borulakh on the left.
River Adycha freezes in October and is under thick ice until the end of May. For about 4½ months it is frozen to the bottom. Part of the river is navigable after the thaw.
