Mahameru, also known as Semeru, is the highest mountain in Java, Indonesia, standing at 3,676 meters (12,060 feet) above sea level. It is an active stratovolcano, part of the Bromo Tengger Semeru National Park, and is known for its stunning landscapes and diverse ecosystems. The mountain is a popular destination for hikers and nature enthusiasts. The name "Mahameru" translates to "Great Meru," referring to a sacred mountain in Hindu and Buddhist cosmology. It holds cultural significance for local communities and is often associated with various myths and legends. The mountain's last major eruption occurred in 2021, highlighting its ongoing volcanic activity.