Indigirka

The Indigirka is a river in northeastern Siberia, Russia, flowing north from the mountains of the Sakha Republic into the East Siberian Sea.

Oymyakon: A settlement in the Sakha Republic, Russia, in the Indigirka River basin, known for its severe winter cold. The river's upper basin surrounds this settlement and the nearby cold pole.
Sakha Republic: A federal republic of Russia occupying much of northeastern Siberia. Most of the Indigirka basin lies within this vast republic.
Arctic shipping: The transport of goods and people by sea along Arctic routes. Coastal navigation and river access connect communities near the Indigirka mouth.
Chokurdakh: A settlement in the Allaikhovsky District of the Sakha Republic, near the lower Indigirka. It is a principal settlement in the river's lower basin.
Moma River: A river in northeastern Siberia that joins the Indigirka in the Sakha Republic. Its waters enter the Indigirka at a major confluence in the upper basin.
East Siberian Highlands: A mountainous region of northeastern Siberia containing ranges and uplands that drain toward Arctic rivers. The Indigirka's headwaters rise in these highlands.
Northern Sea Route: A shipping route along Russia's Arctic coast linking the Atlantic and Pacific oceans. The Indigirka delta lies near this coastwise route.
Belaya Gora: A settlement in the Sakha Republic located on the Indigirka River. The river passes this district center on its northward course.
Ust-Nera: A settlement in the Sakha Republic, Russia, situated near the Indigirka River. This regional center lies along the river's upper course.
Permafrost: Ground that remains at or below 0°C for at least two consecutive years. Frozen ground across the basin limits infiltration and shapes runoff.

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