The Sundrun (russian: Сундрун) is a river in the Sakha Republic (Yakutia) of the

Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia North Asia or Northern Asia, also referred to as Siberia, is the northern region of Asia, which is defined in geographic ...

. It is long, and has a drainage basin of .

Course

It has its sources in the

Ulakhan-Sis Range The Ulakhan-Sis Range ( rus, Улахан-Сис; sah, Улахан Сис) is a mountain range in the Sakha Republic, Far Eastern Federal District, Russia.

and flows roughly northeastwards across the

Kondakov Plateau The Kondakov Plateau ( rus, Кондаковское плоскогорье; sah, Кондаков хаптал хайалаах сирэ) is a mountain plateau in the Sakha Republic, Far Eastern Federal District, Russia. The town of Chokurdak ...

.Topographic map - Chokurdakh
/ref> Leaving the uplands, it crosses the

Yana-Indigirka Lowland The Yana-Indigirka Lowland (russian: Яно-Индигирская низменность; sah, Дьааҥы - Индигир намтала) is a large, low alluvial plain located in northern Siberia, Far Eastern Federal District, Russia. Admini ...

tundra, part of the greater

East Siberian Lowland The East Siberian Lowland ( rus, Восточно-Сибирская низменность), also known as Yana-Kolyma Lowland,Oleg Leonidovič Kryžanovskij, ''A Checklist of the Ground-beetles of Russia and Adjacent Lands.'' p. 16 is a vast pla ...

. It flows first in a roughly eastern and then, more than halfway through its course, in a northern direction. Its mouth is in the

East Siberian Sea The East Siberian Sea ( rus, Восто́чно-Сиби́рское мо́ре, r=Vostochno-Sibirskoye more) is a marginal sea in the Arctic Ocean. It is located between the Arctic Cape to the north, the coast of Siberia to the south, the New S ...

at the western end of the

Kolyma Bay The Kolyma Bay (russian: Колымская Губа; Kolymskaya Guba) is one of the main gulfs of the East Siberian Sea. The bay gets its name from the Kolyma Lowlands, whose coastline forms the whole eastern half of this bay. The Kolyma Lowlan ...

. Google Earth The Sundrun River freezes up in early October and remains icebound until June.

Tributaries

The main tributary of the Sundrun is the long Maly Khomus-Yuryakh (Малый Хомус-Юрях) from the right.

Khroma-Sundrun Interfluvial Area

The Kytalyk Wetlands, located between the Sundrun and the Khroma, are an ecologically important area, providing a favorable habitat for many rare animals. It is practically uninhabited and full of lakes and marshes.

Siberian crane The Siberian crane (''Leucogeranus leucogeranus''), also known as the Siberian white crane or the snow crane, is a bird of the family Gruidae, the cranes. They are distinctive among the cranes: adults are nearly all snowy white, except for their ...

s are abundant in the Sundrun River wetlands. The

lesser white-fronted goose The lesser white-fronted goose (''Anser erythropus'') is a goose closely related to the larger white-fronted goose (''A. albifrons''). It breeds in the northernmost Palearctic, but it is a scarce breeder in Europe. There is a re-introduction sche ...

Brent goose The brant or brent goose (''Branta bernicla'') is a small goose of the genus '' Branta''. There are three subspecies, all of which winter along temperate-zone sea-coasts and breed on the high-Arctic tundra. The Brent oilfield was named after ...

Bewick's swan The tundra swan (''Cygnus columbianus'') is a small swan of the Holarctic. The two taxa within it are usually regarded as conspecific, but are also sometimes split into two species: Bewick's swan (''Cygnus bewickii'') of the Palaearctic and the ...

and the

spectacled eider The spectacled eider (pronounced ) (''Somateria fischeri'') is a large sea duck that breeds on the coasts of Alaska and northeastern Siberia. The spectacled eider is slightly smaller than the common eider at 52–57 cm (20–22 inches) in ...

are also found in the Khroma-Sundrun Interfluvial Area. There is also a wild

reindeer Reindeer (in North American English, known as caribou if wild and ''reindeer'' if domesticated) are deer in the genus ''Rangifer''. For the last few decades, reindeer were assigned to one species, ''Rangifer tarandus'', with about 10 subsp ...

population in the Sundrun basin.

Sundrun Kekurs

The "Sundrun Kekurs" (Сундрунские кекуры) are the natural

kigilyakh Kigilyakh or kisiliyakh ( rus, кигиляхи; sah, киһилээх, meaning "stone person") are tall, pillar-like natural rock formations looking like tall monoliths standing more or less isolated. Usually they are composed of granite or s ...

-type

rock formation A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting the existing rock. The term ''rock formation'' can also refer to specific sedime ...

s of the

Ulakhan-Sis Range The Ulakhan-Sis Range ( rus, Улахан-Сис; sah, Улахан Сис) is a mountain range in the Sakha Republic, Far Eastern Federal District, Russia.

and

Suor Uyata The Suor Uyata ( rus, Суор-Уята; sah, Суор Уйата) is a mountain range in the Sakha Republic, Far Eastern Federal District, Russia. The village of Andryushkino, a small inhabited locality of the Lower Kolyma District, is located ...

, located in the upper course of the river. Сундрунские кекуры
/ref>

References

External links