Semeru Mountain, also known as Mahameru, is the highest volcano in Java, Indonesia, standing at 3,676 meters (12,060 feet). It is part of the Bromo Tengger Semeru National Park and is known for its active status, with frequent eruptions that attract both scientists and tourists. The mountain features a stunning landscape, including lush forests and diverse wildlife. Its summit, Jonggring Saloka, is often shrouded in clouds, providing a mystical view. Hiking to the peak is popular among adventurers, offering breathtaking panoramas of the surrounding area and the nearby Bromo Volcano.