Asia.
The Angara River is a tributary of the Yenisei River.
Yenisei is longer
The Yenisei River starts in Asia and ends in Siberia, into the Arctic ocean.
Yenisei River.
Yes there is
Russia
The Yenisei River's mouth is the kara sea and the Arctic Ocean.
Mungaragiyn-Gol, located in Mongolia, is the source of the Yenisei River. The average depth of the river is 45 feet, but some parts are as deep as 80 feet.
north to south
5,539 km
Yenisei is the greatest river system flowing to the Arctic Ocean and is 3,445 miles long.
The River Yenisei primarily flows through Mongolia and Russia, but its source is located in the Tuva Republic, near the border with Mongolia. A small portion of its watershed extends into China, but the river itself does not flow through Chinese territory. Therefore, while it has some connection to China, the Yenisei River is not located in China.