… and river systems
I White Sea
Northern Dvina (from confluence of Yug and Sukhona; the Western Dvina or Daugava flows into Latvia from the Valdai Hills)
II Barents Sea
III Kara Sea, between Novaya Zemlya and Severnaya Zemlya
Ob (from confluence of Katun and Biya near Altai Mountains in Russia)
Yenisei (from Mongolia)
IV Laptev Sea, between Severnaya Zemlya and New Siberian Islands
Lena (from near Lake Baikal)
V East Siberian Sea, between New Siberian Islands and Wrangel Island
Kolyma (from confluence of Kulu and Ayan Yuryakh)
VI Chukchi Sea, between Wrangel Island and Bering Strait
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VII Baltic Sea
Neva (from Lake Ladoga)
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VIII Black Sea, Ukraine, west of Crimea
Dnieper (from Valdai Hills near Smolensk)
IX Sea of Azov, Russia, east of Crimea
Don (from Novomoskovsk)
X Caspian Sea, Russia
Volga (from Valdai Hills)
XI Caspian Sea, Kazakhstan
Ural or Zhayyq (from southern Urals in Russia)
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XII Bering Sea, south of Bering Strait
XIII Sea of Othotsk, south of Kamchatka Peninsula
XIV Strait of Tartary, between Siberia and Sakhalin Island
Amur (from northwestern Manchuria on the Russia-China border at confluence of Shilka and Argun)
XV Sea of Japan, south of Sakhalin Island
Tumen (from Mount Paektu, but in North Korea or China?)
Other rivers are less important or are parts of these systems
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Most of the Russia-China border is formed by the Argun and the Amur and in the south the Ussuri, a tributary of the Amur (low resolution map: Economist)
Smoke over the Volga, Nizhny Novgorod
Tibetan rivers (old post)
August 16 2015 at 11:53 pm
Another, short, Russia-China border lies between Kazakhstan and Mongolia, in the Altai Mountains, near the source of the Ob.