The Podkamennaya Tunguska is a river in Krasnoyarsk Krai

Krasnoyarsk Krai

Krasnoyarsk Krai is a federal subject of Russia . It is the second largest federal subject after the Sakha Republic, and Russia's largest krai, occupying an area of , which is 13% of the country's total territory. The administrative center of the krai is the city of Krasnoyarsk...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

; it is an eastern tributary of the Yenisei

Yenisei River

Yenisei , also written as Yenisey, is the largest river system flowing to the Arctic Ocean. It is the central of the three great Siberian rivers that flow into the Arctic Ocean...

 and has a length of 1160 miles (1,866.8 km). The name of the river comes from the fact that it flows under pebble fields without open water. As early as 1610 Russians from Mangazeya

Mangazeya

Mangazeya was a Northwest Siberian trans-Ural trade colony and later city in the 16-17th centuries. Founded in 1600, it was situated on the Taz River, between the lower courses of the Ob and Yenisei Rivers flowing into the Arctic Ocean....

 had passed the Stony Tunguska's confluence with the Yenisei; by the 1620s Mangazeya Cossack

Cossack

Cossacks are a group of predominantly East Slavic people who originally were members of democratic, semi-military communities in what is today Ukraine and Southern Russia inhabiting sparsely populated areas and islands in the lower Dnieper and Don basins and who played an important role in the...

s and trappers had ascended it seeking fur-tribute from the local Tungus

Tungusic peoples

Tungusic peoples are the peoples who speak Tungusic languages. The word originated in Tunguska, an ill-defined region of Siberia.-Peoples:Tungusic peoples are:*Evenks*Evens*Jurchens *Manchu*Negidals...

 clans. The Tunguska event

Tunguska event

The Tunguska event, or Tunguska blast or Tunguska explosion, was an enormously powerful explosion that occurred near the Podkamennaya Tunguska River in what is now Krasnoyarsk Krai, Russia, at about 7:14 a.m...

 in June 1908 occurred near this river, some 8 km (5 mi) SSE of Lake Cheko

Lake Cheko

Lake Cheko is a small freshwater lake in Siberia, near the Podkamennaya Tunguska River, in what is now the Evenkiysky District of the Krasnoyarsk Krai...

.

In the upper reaches is known as Katanga.