Allaikha River

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Position of Allaicha in the catchment area of the Indigirka

Template: Infobox River / Obsolete

The Allaicha (Russian Аллаиха or Аллайха, translit. Allaicha or Allajcha, Yakut. Аллайыаха / Allajyacha ) is a 563 km long left tributary of the Indigirka in the Republic of Sakha ( Yakutia) in the Russian Far Eastern Federal District.

The Allaicha occurs in about 80 m on the northern flank of the Polousnyrückens from the small headwaters Fena ( Фена ) and Eliktscheen ( Эликчээн ). It then flows through strongly meandering initially in an easterly, then in a north-easterly direction to the south-eastern part of the Jana - Indigirka lowlands. Finally, the river flows about 15 kilometers above the settlement Tschokurdach in the Indigirka ( 5 m in height). About 15 kilometers above opens a left tributary of the Indigirka, Erge - Jurjach, in the Allaicha which is navigable from here.

The catchment area of ​​12,400 km ² comprises Allaicha. In the mouth close to the main branch of the river is about 200 feet wide and 5 feet deep; The flow rate is 0.6 m / s The most important tributary is the 123 km long Ot - Jurjach from the left. In the catchment area there are about 4000 lakes with a total area of 765 km ², especially in the area of the lower reaches between Allaicha and Indigirka.

In winter, the Allaicha freezes from early October to late May.

The entire course of the river is located administratively in Allaicha named after her Ulus Allaicha.

Swell

• S. E. Mostachow et al. Jakutskaja ASSR. Yakutsk, 1980 ( Russian)