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Oshta (river)
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| Oshta | |
|---|---|
![]() | |
| Location | |
| Country | Russia |
| Region | Vologda Oblast |
| District | Vytegorsky District |
| Physical characteristics | |
| Source | Lake Oshtozero |
| • coordinates | 60°45′52″N 35°11′04″E / 60.7645°N 35.1844°E |
| Mouth | Onega Canal |
• coordinates | 60°54′18″N 35°33′14″E / 60.9051°N 35.5539°E |
| Length | 39 km (24 mi) |
Basin size | 374 km2 (144 sq mi) |
| Basin features | |
| River system | Svir |
The Oshta (Russian: Ошта, Veps: Šušt)[1] is a river in Vytegorsky District, Vologda Oblast, Russia. It flows from Lake Oshtozero into the Onega Canal and has a length of 39 kilometers (24 mi).
Geography
[edit]The Oshta is 39 kilometers (24 mi) long and its basin covers an area of 374 square kilometers (144 sq mi).[2] The source of the river is Lake Oshtozero, located in the Vepsian Upland (Megra Ridge), from where it flows into Lake Onega via the Onega Canal.[3] The river drops a total of 108 meters (354 ft) and has a stream gradient of 2.77 meters per kilometer (14.6 ft/mi).[4] Much of this is in the upper and middle course of the river, where multiple rapids are located.[3] Around the mouth, a sedge-dominated wetland stretches for some two kilometers (1.2 mi).[5]
Tributaries of the river include the Keskas-ruchey (19 km (12 mi) from mouth), Verkhnyaya Orovashka (9.9 km (6.2 mi) from mouth) and Cheleksa rivers (6.9 km (4.3 mi) from mouth), as well as Lake Urozero.[2]
The biggest settlement along the river is also named Oshta. Other settlements include Simanovo and Kurvoshsky Pogost.[3]
Environmental values
[edit]Based on measurements taken between 30 July and 2 August 2024, the water of the Oshta had a pH of 7.9, while the level of total dissolved solids was 207 milligrams per liter (0.000120 oz/cu in).[4]
Before the direct connection with Lake Onega was cut off by the Onega Canal, salmon entered the river to spawn.[3]
References
[edit]- ^ Chibisov, Boris (2018). Этническая картина Новгородской земли в XV веке (неславянские этнические группы) (PDF) (Thesis) (in Russian). Moscow: Institute of Russian History of the Russian Academy of Sciences. p. 79. Retrieved 29 May 2026.
Вполне возможно, что в последнем гидрониме отразилась вепсская форма гидронима Ошта – Šušt
[It is possible that the last hydronym reflects the Veps form of the hydronym Oshta – Šušt] - ^ a b "Река Ошта". Государственный водный реестр (in Russian). Retrieved 29 May 2026.
- ^ a b c d "Река Ошта". Вологодское отделение РГО (in Russian). Russian Geographical Society. 26 April 2018. Retrieved 29 May 2026.
- ^ a b Komulaynen, Sergey F.; Baryshev, Igor A. (3 December 2025). "Структурная организация сообществ фитоперифитона и макрозообентоса рек южного побережья Онежского озера" [Structural Organization of Phytoperiphyton and Macrozoobenthos Communities of Rivers on the Southern Coast of Lake Onega]. Полевой журнал биолога (in Russian). 8 (1): 3. doi:10.52575/2712-9047-2026-8-1-72-91. Retrieved 29 May 2026.
- ^ Markov, K. K.; Poretsky, V. S.; Shlyapina, E. V. (1934). "О колебаниях уровня Ладожского и Онежского озер в послеледниковое время". Труды Комиссии по изучению четвертичного периода. Т. IV. Вып. 1 (in Russian). Leningrad: Издательство Академии Наук СССР. p. 102. Retrieved 29 May 2026.
