10/08/2026
Mount Semeru is an active and highest volcano on the island of Java. This mountain is located in the Bromo Tengger Semeru National Park area, on the border of Lumajang Regency, Malang Regency, and Pasuruan Regency, East Java. Mount Semeru has a height of 3,676 meters above sea level and is often referred to as "Mahameru", which in Javanese means "Big Mountain".
Mount Semeru has a steep slope and is filled with volcanic rocks and debris from previous eruptions. This mountain has a large crater at the top which is known as "Jonggring Saloko Crater". Inside the crater there are traces of volcanic activity, such as water v***r and sulfur gas.
In general, the climb starts from the Ranu Pane post to Ranu Kumbolo lake by traveling for about 6-8 hours. The climbing path to this lake is quite challenging and requires good physical preparation, but the scenery offered by this lake is so beautiful and satisfying. Ranu Kumbolo Lake is surrounded by green hills and forests, and has clear and calm water. This lake is often a stopover for climbers who go to the top of Mount Semeru, because of its strategic location in the middle of the climbing path. In addition, this lake is also a popular place for nature lovers who want to enjoy the natural beauty of the original mountains.
In addition to enjoying the beauty of the lake, visitors can also do activities such as camping, fishing, or just relaxing around the lake.
As an active volcano, Mount Semeru often experiences eruptions and volcanic activity.
Therefore, climbers and visitors around Mount Semeru must always pay attention to the latest information about the condition of the mountain and follow all rules and regulations set by the authorities to maintain safety and environmental sustainability.