Goa Jomblang is a natural cave that formed by geological processes. A process of the collapse of land and vegetation on it surfaces to the bottom of the earth.

By that tragedy of thousands of years ago form a gaping wells or luweng (sinkhole), which later transformed into the mouth of a cave with an area of about 50 square meters. This cave is including the type of collapse doline cave; the cave was once on of the set of Amazing Raze America in 2011.