Jomblang Cave

Amazing Natural Artistry Below the  Surface

Jomblang Cave is a perfect place to test your adventure skill. This vertical cave offers varies of track to choose depends on your skill. The cave offers you amazing natural beauty under the earth surface. On the cave floor, there are trees and plants that formed underground forest. The charm of natural power is not stop there, near cave floor you can see the very rare ray of light phenomenon. It will give you memorable lifetime experience to see the natural grace in the darkness of underground.  

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Gunung Kidul, a region in southern part of Yogyakarta is known with its natural beauty. It is not only known with its beauty mounts and beaches, but also hidden beauty below the ground. This region is known with numerous caves that spread along karst mountains that are formed thousands years ago.  One of the caves that has fascinating beauty is Jomblang cave that located in Sentanu, Gunung Kidul, around two hours ride from Yogyakarta City.

Jomblang Cave is a vertical cave that has around 80 meters deep under the ground. This cave is formed by the geological process that makes the land collapse and drop into below the ground. The process makes a sinkhole in the surface and latter became this cave. In below Jomblang Cave there is unique scenery, in the cave there is underground forest.  The forest formed by the vegetation that grows in the dropped land still able to live and grow below the ground for million years and constructed the underground forest.

Near Jomblang Cave, there is also another vertical cave called Grubug Cave.  Grubug cave can be explored from the Jomblang cave floor by walking via gateway tunnel that connect both caves. In Grubug cave, there is amazing ray of light that happen in the noon. The phenomenon is the light of sun that passes through the cave hole and makes a ray in the underground darkness. The ray of light phenomena only happen around 11.00 until 13.00 with no clear weather around the cave.

Jomblang Cave exploration is recommended people with high interest in adventure activities. There are several things that must be considered for people want to explore the cave, it such as: the physical condition, mental condition, the exploration skill and the complete exploration gear. The SRT (Single Rope Technique) is needed to climb down the cave and climb up to the surface. Therefore, before the cave exploration there will be briefing about the technique that use in the exploration. If you were still not mastering SRT skill, you can ask for assistance from exploration guide. There are varies of track that depends on the skill that mastered, each of exploration track has different level of difficulties and characteristic skill that need to master.

The activity in Jomblang and Grubug Cave is managed under Jomblang Resort. The resort manages the cave exploration activities.  The resort provide guide which give assistance in the exploration, exploration gear and also safety gear. The resort has policy to limit the visitor of Jomblang and Grubug Cave to protect the ecosystem of both caves. Therefore, only 25 visitors that allowed to explore the caves in each day. The basic fares that offer is around 450.000 IDR or about 40 USD. The resort also provides accommodation for visitor who wants to stay overnight and enjoys the atmosphere around the cave in traditional way of life.

The best time to start the exploration activity is around 09.00, to make the exploration time able to reach the ray of light phenomena at noon. It suggested departing early from Yogyakarta around 06.00 and with two hours car ride it will be not too late to start the activity.  It's recommended  contacting the Jomblang Resort first to arrange the exploration schedule do the limited access to the cave to protect the ecosystem and maintain the safety of exploration activity.