Mras-Su River
Mrass-Su (Russian: Мрас-Су, Shor: Прас) is a river in Kemerovo Oblast, Russia. It is a tributary of the Tom River (in the Ob's drainage basin), and has its sources in the Abakan Range. It is 338 kilometres (210 mi) long, with a drainage basin of 8,840 square kilometres (3,410 sq mi).
Coordinates: 53°44′55″N 87°47′55″E / 53.7486°N 87.7986°E
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