People's Republic of China · Asia
Heaven Lake

A crater lake cradled atop a sacred mountain, where two nations meet in perfect symmetry across waters born from ancient fire.
Heaven Lake crowns Paektu Mountain, a volcanic peak that straddles the border between China and North Korea. The lake itself—born from the mountain's fiery past—is divided almost equally between the two countries, creating a rare geopolitical mirror on the water's surface.
This crater lake sits at one of East Asia's most significant natural landmarks, revered across cultures and centuries. The boundary runs straight through its center, making Heaven Lake a singular place where two worlds meet, suspended between earth and sky at the mountain's summit.
The lake is so evenly split between China and North Korea that the international border runs directly down its middle like a drawn line.
Test yourself
Which crater lake in East Asia has an international border running directly through its center, dividing it almost equally between two nations?
Heaven Lake, located atop Paektu Mountain on the China-North Korea border, is uniquely split by the international boundary line running down its middle, making it a rare geopolitical feature where two countries share the same volcanic crater lake.
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