Cherekha

a river in Pskov Oblast, RSFSR; a right tributary of the Velikaia River. The Cherekha measures 145 km in length and drains an area of 3,230 sq km. It flows through a swampy lowland. It is fed mainly by snow. High water lasts from late March to early May. The mean flow rate 14 km from the mouth is 16.3 cu m per sec. The river freezes in late November to December, and the ice breaks up in late March or April.