Goa Tetes Waterfall is located in Sidomulyo Village, Pronojiwo District, Lumajang Regency, East Java, Indonesia. The distance from Lumajang City to this location is around 50 km, while from Malang City it is around 65 km. The location of Goa Tetes Waterfall is adjacent to Tumpak Sewu Waterfall which is better known to the public, but actually both cross the same river flow. Previously, Goa Tetes Waterfall was opened with a different entrance, but now it has been combined with Coban Sewu. Access from Goa Tetes waterfall can be directly connected to Tumpak Sewu or vice versa. Although most travelers prefer the Tumpak Sewu - Goa Tetes route for reasons of ease of access. Visitors to Goa Tetes Waterfall will get two unique spots at the same time. Waterfall tourism as well as karst or cave tourism is formed naturally by nature due to the process of rock and water. The location of Goa Tetes is exactly hidden behind a waterfall, the seepage from the waterfall flows into the mouth of the cave and seeps between the cave walls, this process is the background for the name Goa Tetes. The flow of the Goa Tetes waterfall never subsides even during the dry season The waterfall and the formation of the cave both influence each other, with one condition being that it occurs in a Karst area, or in general language called a Limestone area. Goa Tetes includes caves (hallways or niches) that are formed naturally by the flow of water (and continuously) through karst rocks. A cave can take the form of a long, winding passage or just a deep niche. In general, it can only occur in two different types of rock, in limestone or Karst which is very intensive and widespread, and in special cases in basalt lava flows.According to the latest information obtained, the entrance ticket price is IDR 5,000/person, the parking fee for tourist vehicles at Goa Tetes is IDR 2,000 for motorbikes and IDR 5,000 when using a car. This location has been marked on Google Maps to make searching easier