Lake Chyortovo
Lake Chyortovo or Lozil-To, also known as "Chertovo" is a freshwater lake in Yamalo-Nenets Autonomous Okrug, Russia.
The lake is a traditional sacred site for the indigenous Selkup people of the region. Legend says the lake is so deep it has no bottom.
Geography
Chyortovo is located north of the Arctic Circle, in the southeastern part of the okrug. It is a chain of lakes roughly aligned from west to east. They are connected with each other by streams. The westernmost one at is known as "Upper Chyortovo". It has an hourglass shape and an island in the northern part. The largest lake is at the eastern end. The lakes' outflow is the Tolka, a left tributary of the Taz, which flows very close to the east.A number of rivers flow into the lake, such as the long Pokotylky, the long Motylky, the long Orylky, the long Marylky, the long Kytylky, the long Kanylky, the long Sipalky, the long Chebakky and the long Tochipylky, among others.