Ondosero

Ondosero ; Ондозеро, Ontajärvi
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Location:	Republic of Karelia ( Russia )
Tributaries:	Onda , Jelma, Margo
Drain:	Onda
	Republic of Karelia , Russia
Coordinates	63 ° 50 ′ 0 ″ N , 33 ° 18 ′ 0 ″ E Coordinates: 63 ° 50 ′ 0 ″ N , 33 ° 18 ′ 0 ″ E
	Data on the structure
	Data on the reservoir
Water surface	182.4 km²
Reservoir length	30.8 km
Reservoir width	13.2 km
Catchment area	2 560 km²

The Ondosero ( Russian Ондозеро , karel. Ontajärvi ) is a lake in the Republic of Karelia in Russia .

The Ondosero is traversed by the Onda River, which flows into the Wygosero to the east . The catchment area of the Ondosero covers 2560 km². The outflow is regulated by a dam so that the height of the water level varies by 2.1 m. The water area is 182.4 km², including the islands it is 193 km². The mean water depth is 3.3 m, the maximum is 8 m. The lake is frozen from the beginning of November to the beginning of May. In summer the water temperature in the Ondosero reaches 25 ° C.

There are 54 islands with a total area of 10.6 km². The largest are: Teronschari (4.86 km²), Woischari , Laidaschari , Sunaschari , Ulja-Shari . There are also two smaller archipelagos: Purucharet and Shalamasharet .

The shores of the lake are not high and mostly stony. The western bank is higher than the eastern.

There are 13 species of fish in the Ondosero: vendace , coregonus , grayling , pike , rutilus , hazel , aland , phoxinus , bream , burbot , stickleback , perch and ruffle .

Individual evidence

↑ ^a ^b Ondosero in the State Water Register of the Russian Federation (Russian)

↑ ^a ^b ^c Article Ondosero in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)

[textual-1] Ondosero in the State Water Register of the Russian Federation (Russian)

[enzykl-2] Article Ondosero in the Great Soviet Encyclopedia (BSE) , 3rd edition 1969–1978 (Russian)