Pyakupur River
 Pyakupur River (Russian: Пякупур) is a river in Yamalo-Nenets Autonomous Okrug Russia the left tributary of the Pur River. The length of the Pyakupur River is 542 km. The area of its basin is 31400 km². There are approximately 32600 lakes in the river basin. The main tributaries: Vyngapur (right) and Purpe (left). Floods from May to August. The average discharge of water 290 m ³ / sec.