Tumpak Sewu is a tiered waterfall in East Java, Indonesia. The waterfall is overshadowed by Semeru, an active volcano and the highest mountain in Java. The Glidik River, which flows down Semeru, is the primary water source for the waterfall. Tumpak Sewu is loosely translated to mean “a thousand waterfalls” in the Javanese language. The name likely originated due to its appearance of many different waterfalls in one single, semi-circular area.
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