The Taz (Russian:Таз) is a river located in western Siberia, has a length of 1,401 kilometers (871mi) and drains a basin estimated at 150,000 square kilometers (58,000sqmi).
The Taz River flows into the Tazovskaya Guba, a roughly 250-kilometer (160mi) long estuary that begins in the area of the settlement of Tazovsky and ends in the Gulf of Ob. A portage connects the Taz with the Turukhan and the Yenisei Rivers. Its major tributaries include the Bolshaya Shirta and Khudosey Rivers from the right and the Tolka and Chaselka Rivers from the left.