Semeru

Semeru
(Javanese: ꦱꦼꦩꦺꦫꦸ, romanized: sěmèru)
Highest point
Elevation	3,676 m (12,060 ft)
Prominence	3,676 m (12,060 ft) Ranked 45th
Isolation	390.92 km (242.91 mi)
Listing	Island high point 12th Ultra Ribu
Coordinates	08°06′28″S 112°55′19″E
Geography
Semeru Location within Java Semeru Location within Indonesia
Location	Java, Indonesia
Headwaters of river basins	Mujur, Rejali, Glidik & Brantas basin
Geology
Mountain type	Stratovolcano
Volcanic zone	Ring of Fire
Volcanic arc	Sunda Arc
Last eruption	28 August 2026
Climbing
First ascent	Unknown
Easiest route	Hike

Semeru is the highest mountain on the Indonesian island of Java and an active volcano located in the province of East Java in a subduction zone, where the Indo-Australian Plate subducts under the Eurasian Plate. Semeru is 3,676 m tall at its peak, making it the third tallest volcano mountain in Indonesia after Kerinci and Rinjani.

The name "Semeru" is derived from Meru, the central world mountain in Hinduism, or Sumeru, the abode of gods. This stratovolcano is Mahameru, meaning "The Great Mountain" in Sanskrit.

In the Tengger Caldera: Mount Batok in front, next the smoking Mount Bromo, active Mount Semeru on skyline, 2014