Mount Semeru is the highest volcano in Java. An active volcano with magnificant peak called Mahameru, 3.676 meters above sea level (12.060 feets). Mount Semeru is in Bromo-Tengger-Semeru National Park (TNBTR). The nearest cities to go are Malang and Lumajang. Ranu Pane It takes four days return way to climb the peak of Mount Semeru from the base camp in Ranu Pane. To reach the base camp in Ranu Pane, take a ...