page_title: Protva
hierarchical_section_title: Protva
caption_attribution_description: English: The Protva River in Borovsk (south of the only road bridge in town - near the Church of the Entry). Русский: Протва в Боровске (к югу от автомобильного моста, у Введенской церкви).
context_page_description: The Protva is a river in Moscow and Kaluga Oblasts in Russia, left tributary of the Oka. It is 282 kilometres long, and has a drainage basin of 4,620 square kilometres. The area of its basin is 4,620 square kilometres. The Protva freezes up in early December and stays icebound until early April. Its main tributary is the Luzha. The towns of Vereya, Borovsk, Protvino and Obninsk are located on the shores of the Protva.
context_section_description: The Protva (Russian: Протва) is a river in Moscow and Kaluga Oblasts in Russia, left tributary of the Oka. It is 282 kilometres (175 mi) long, and has a drainage basin of 4,620 square kilometres (1,780 sq mi). The area of its basin is 4,620 square kilometres (1,780 sq mi). The Protva freezes up in early December and stays icebound until early April. Its main tributary is the Luzha. The towns of Vereya, Borovsk, Protvino and Obninsk are located on the shores of the Protva.
caption: Protva River in Borovsk
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