The Syniukha () is a river in Ukraine, a left tributary of the Southern Bug, the basin of Black Sea. Its name means blue or of blue shade. It is long with a basin area.Синюха (река), Great Soviet Encyclopedia It is formed at the confluence of its source rivers the Tikych (itself formed at the confluence of the Hnyly Tikych and the Hirskyi Tikych) and the Velyka Vys. It flows into the Southern Bug at Pervomaisk.
It is believed that in the mid-14th century one of the major battles between the Grand Duchy of Lithuania and the Ulus Jochi, the Battle of Blue Waters, took place here.Shabuldo, F. The 1362 battle at Blue Waters (СИНЄВОДСЬКА БИТВА 1362). Encyclopedia of History of Ukraine.
The of national importance is by the Yatran village, at the confluence of Yatran River and Syniukha.Ландшафтний заказник загальнодержавного значення "Когутівка"
References
Bibliography Географічна енциклопедія України: в 3-х томах / Редколегія: О. М. Маринич (відпов. ред.) та ін. — К.: «Українська радянська енциклопедія» імені М. П. Бажана, 1989.