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 .Russian State Water Register - Adycha
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 first westwards and then roughly northwestwards, flanking the western side of the Nendelgin Range across a wide river valley. After bending around the northern end of the Tirekhtyakh Range it heads northwards and meanders strongly. Finally, after flowing across the western end of the Kisilyakh Range, it joins river Yana from the right about to the north of Batagay and roughly to the south of the confluence with the Oldzho. The river is also known as "Borong" (Russian: Боронг) in a section of its upper course.Adycha — статья из Большой советской энциклопедии. Great Soviet Encyclopedia
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.
Tributaries The main tributaries of the Adycha are Delakag (Делакаг), Charky (Чаркы) and Tuostakh (Туостах) on the right; and Derbeke (Дербеке), Nelgese (Нельгесе) and Borulakh (Борулах) on the left.
Flora Taiga and forest tundra predominate in the valley of the river.
See also List of rivers of Russia Yana Plateau Yana-Oymyakon Highlands§Hydrography
References