Ranu Kumbolo is located in the Bromo Tengger Semeru National Park area, precisely between Malang and Lumajang districts, East Java, Indonesia, with an area of 15 ha. Many visitors intentionally stay overnight using tents. In general, these visitors, apart from enjoying the beauty of Ranu Kumbolo lake, are also looking forward to seeing the sun rise up there You need physical fitness to get here, besides that, prepare three copies of your ID card, a health certificate from a doctor, and a stamp. At Ranu Pani before climbing, you will be asked to register by showing these two letters. It is intended to maintain safety and as a rescue measure something bad could happen to you while traveling. Things that need to be prepared before traveling are climbing equipment such as jackets (try a thick waterproof jacket), socks, gloves, headgear, earplugs, masks, sleeping bags, tents, food and drinking water. The most important thing is to carry an adequate supply of water. You can also ...