Diemazz

Indigirka River
Mouth	East Siberian Sea
Basin countries	Russia
Length	1,726 km
Avg. discharge	1,810 m3/s
Basin area	360,400 km²

Indigirka River (Russian: Индиги́рка) is a river in the Sakha Republic in Russia. It is 1,726 km in length. The area of its basin is 360,000 km². The river flows into the Kolyma Bay, East Siberian Sea. Tributaries: Kuydusun, Kyuente, Elgi, Nera, Moma, Badyarikha, Seleniyakh, Uyandina. It freezes up in October and stays under the ice until May-June. Main ports: Khonuu, Druzhina, Chokurdakh, Tabor. There is a gold prospecting industry in the Indigirka basin.

The Indigirka River teems with different kinds of fish, such as ryapushka, chir, muksun, white salmon (nelma), omul, sig etc.

History

The isolated village of Russkoye Ustye, near the mouths of the Indigirka, is known for the unique traditional culture of the Russian settlers whose ancestors came there several centuries ago.

In 1892-1894 Baron Eduard Von Toll carried out geological surveys in the basin of the Indigirka (among other Far-eastern Siberian rivers) on behalf of the Russian Academy of Sciences. During one year and two days the expedition covered 25,000 km, of which 4,200 km were up rivers, carrying out geodesic surveys en route.

Mouths of the Indigirka

About 100 km before reaching the East Siberian Sea, the Indigirka branches into two northeast-flowing streams. The left one is Prot. Russko Ust'inskaya and the one to the right Prot. Srednyaya. At their mouths lie several flat islands (from east to west):

• Usun-Ary 71°23′13″N 151°15′18″E / 71.387, 151.255 lies longitudinally along the coast east of the Srednyaya mouth. It is 12 km long and 2.7 km wide.
• Uparovskiy Island 71°34′55″N 151°11′46″E / 71.582, 151.196 lies completely detached 11 km offshore from the Srednyaya mouth. It is about 2 km long and 1 km wide.
• Ploskiy Island 71°28′48″N 150°53′24″E / 71.48, 150.89 is the farthest offshore of a cluster of islands at the Srednyaya mouth. It is C-shaped and about 3 km long.
• Bolshoy Fedorovskiy 71°31′59″N 150°30′36″E / 71.533, 150.51 lies between the two mouths of the Indigirka. It is 6 km long and has a maximum width of 4 km.
• Vkodnoy and Oleniy islands lie right at the Prot. Russko Ust'inskaya mouth 71°32′46″N 150°15′58″E / 71.546, 150.266. Both are of similar size, about 4 km in length.
• Krestovyy Island 71°26′49″N 149°45′58″E / 71.447, 149.766 lies quiet isolated directly to the south of the Lopatka Peninsula, 10 km offshore to the NW of the main Indigirka mouths. It is 6 km long and 1.6 km wide.

References

• Location of islands
• William Barr, Baron Eduard Von Toll's Last Expedition. Arctic, Sept 1980.

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