Toyma

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Toyma, Tuyma
Location
Country	Tatarstan and Udmurtia, Russia
Physical characteristics
Source
• location	Udmurtia
• coordinates	56°19′12″N 52°24′24″E / 56.32000°N 52.40667°E / 56.32000; 52.40667
Mouth	Kama
• location	near Yelabuga, Tatarstan
• coordinates	55°44′32″N 52°01′53″E / 55.7423°N 52.0315°E / 55.7423; 52.0315
• elevation	53 m (174 ft)
Length	121 km (75 mi)
Basin size	1,450 km2 (560 sq mi)
Basin features
Progression	Kama→ Volga→ Caspian Sea

The Toyma (Russian: Тойма; Tatar: Туйма) is a river in Udmurtia and Tatarstan, Russian Federation, a right-bank tributary of the Kama. It is 121 kilometres (75 mi) long, of which 84 kilometres (52 mi) are in Tatarstan, and its drainage basin covers 1,450 square kilometres (560 sq mi).^[1] It begins in Udmurtia and falls to the Kama near Yelabuga, Tatarstan.

Major tributaries are the Vozzhayka, Yurashka, Karinka rivers. The maximal mineralization 400–600 mg/L. The maximal water discharge was 533 cubic metres per second (18,800 cu ft/s) in 1979. Drainage is regulated. Average sediment accumulation at the mouth per year is 146 millimetres (5.7 in). Since 1978 it is protected as a natural monument of Tatarstan.^[2] Mendeleyevsk and Yelabuga are along the river.

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