Lake Chukchagir (Russian: Чукчагирское озеро; Nanai: Дятигна-Хэван, Dytigna-Khevan)^[1] is a large freshwater lake in Khabarovsk Krai, Russia. It has an area of 366 km² (141 sq mi) and a maximum depth of 6 m (20 ft).^[2] There are no permanent settlements on the shores of the lake.^[1]

Quick Facts Location, Coordinates ...

Lake Chukchagir
Dytigna-Khevan
View from space (false color)
Lake Chukchagir Location in Khabarovsk Krai, Russian Far East
Location	Khabarovsk Krai
Coordinates	52°N 136.6°E / 52; 136.6
Type	Thaw lake of tectonic origin
Primary inflows	Small streams
Primary outflows	Oldzhikan
Catchment area	1,060 km2 (410 sq mi)
Basin countries	Russia
Max. length	31 km (19 mi)
Max. width	22 km (14 mi)
Surface area	366 km2 (141 sq mi)
Average depth	2 m (6.6 ft)
Max. depth	6 m (20 ft)
Surface elevation	70 m (230 ft)
Islands	2

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The lake is located in the Nimelen-Chukchagir lowland, Imeni Poliny Osipenko District, part of the basin of river Amgun and its tributary Nimelen. The Amgun flows to the west of the lake and beyond it rises the Dusse-Alin. Godbanki and Dzhalu are two large islands in the lake. Godbanki, the largest, is almost attached to the mainland in the northern shore, separated from it by a narrow sound. The inflow of the lake are 48 small streams or rivulets. Strongly meandering river Oldzhikan (Holgin), a right tributary of the Amgun, is the outflow of the lake.^[1][3]

There are peat bogs and residual thermokarst lakes in the lake area. In years of heavy rainfall, the level of neighboring Amgun river may rise and overflow its banks, reaching lake Chukchagir. The lake freezes between late October and early November, staying under ice until May.^[1]

The banks of the lake are wooded and about two thirds of the shoreline is swampy, especially in the northern and northwestern part.

Lake Chukchagirskoe is rich in fish. Lenok, chebak, pike, catfish and crucian carp are among the fish species found in the waters of the lake. Salmon may enter from neighboring river Amgun.^[1]

• List of lakes of Russia