The Dulgalakh (Russian: Дулгалах; Yakut: Дулҕалаах, Dulğalaax) is a river in Yakutia, the left, western source river of the Yana. Its length is 507 km (315 mi) and its basin size 27,300 square kilometres (10,541 sq mi).[1]
^"Река Дулгалаах in the State Water Register of Russia". textual.ru (in Russian).
The Dulgalakh (Russian: Дулгалах; Yakut: Дулҕалаах, Dulğalaax) is a river in Yakutia, the left, western source river of the Yana. Its length is 507 km...
the river makes a wide bend. From the eastern slopes flow the rivers Dulgalakh and Sartang, which form river Yana further north, as well as its tributaries...
its tributaries Derbeke, Nelgese and Tuostakh, as well as the Sartang, Dulgalakh and Bytantay, among others. The Tykakh has its sources in the NW part...