Prelims ask
Angara, Baikal, north, Kara Sea. Not the Lena.
Asia
Yenisei
Greatest discharge of the Siberian three, and a textbook top-five system on many lists.
- Source
- The named river begins in Tuva (Great and Little Yenisei). The major lake stem is the Angara from Lake Baikal. The Selenga, into Baikal, rises in Mongolia.
- Countries
- Russia, with Mongolian headwaters via the Selenga.
- Direction
- North.
- Mouth
- Yenisei Gulf, Kara Sea, Arctic Ocean.
- Length
- About 5,540 km with the Angara–Selenga headwater, on textbook lists.
- Major tributaries
- Angara, Stony Tunguska, Lower Tunguska.
- Delta or estuary
- Gulf estuary on the Kara Sea.
- Basin
- Lake Baikal’s only outlet is the Angara, which joins the Yenisei.
- One exam fact
- The Central Siberian Plateau stands on the east bank; the west bank is low. The river marks that boundary.
Mains use
Use whenever a lake outlet is mistaken for a nearby longer-looking river.