What is the name of the plateau in central russia

The name of the plateau in central Russia is the central Siberian plateau.  It occupies an area of 600,000 square miles and is situated in Krasnoyarsk kray region , Sakha and in Irkutsk oblast province.  It is bordered by the Yenisey River to the west and the North Siberan lowland to the north. To the east it is bordered by the Lena river .

The average elevation is 1,650 - 2,300 feet above sea level. Vegetation in the plateau varies from tundra in the north to steppe - grassland in the south.