Glukhoe is a lake in the Mari El Republic of the Russian Federation. It is located on the territory of the Mari Chodra National Park.

Located in the central part of the Volzhsky district of Mari El, in the southeast of the national park "Mari Chodra", at an altitude of 66 m above sea level, 3 km northeast of Lake Yalchik, 2 km west of the village of Alekseevskoye. The lake is located in the valley of the lower reaches of the Ilet River.

Deaf, like most of the lakes of Mari El, has a karst (failure) origin, formed from the confluence of several karst funnels and has a long, narrow, crescent shape.

The greatest depth - 26 m, width - 100 m, length - 950 m, area - 9.5 ha (according to other sources - 28.85 ha.

The shores of the lake are stepped (steep in the eastern part), longitudinal coastal terraces indicate a decrease in the water level in the lake. The bottom has several depressions.

Two streams, which dry up in the summer, flow into the lake - Ovrazhka and Ryabinovy ​​Klyuch, there is no runoff.

The water of the Glukhoe Lake has high transparency, in summer it is up to 5 m, in autumn it is up to 3.5 m.

Green moss and lichen pine forests grow on the shores of the lake, and mixed spruce-birch-alder plantations grow in the lowland part. Reeds, reeds, arrowheads, cattails grow in shallow water.

According to observations in 1993-2000, three species of fish were noted in the composition of the ichthyocenosis of the lake: verkhovka, perch, and roach. In earlier observations by M.D. Ruzsky (1906), only a single species was noted - roach, in observations in 1988, MarSU employees noted three species: roach, perch and goldfish.

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