Goa Jomblang
Goa Jomblang is a vertical collapse-doline cave located in Jetis Wetan, Pacarejo, Semanu, Gunung Kidul Regency, Special Region of Yogyakarta, Indonesia. Formed by the collapse of limestone land, it features a 50-meter deep vertical shaft leading to an ancient forest and a horizontal tunnel connecting to Goa Grubug. It is famous for the 'Light of Heaven' sun rays penetrating the cave, and is part of the Gunung Sewu UNESCO Global Geopark.