Papua is an expanse of tropical rainforest and it consists of steep valleys and high mountains. Even, most mountains are covered with snow. Among the valleys, there is a mysterious and enchanting cave. The cave is called ‘Lokale’. Lokale cave is located at Woslimo village, Baliem valley, Jayawijaya regency, Papua. It was opened for the first time in 1992. It is believed to be the longest cave in the world, because until now the tip of the cave is not found, yet. The farthest trip in the cave just reaches 3 kilometers. Because of the long cave, many academicians predict that the cave can reach Jayapura region. Although the tip of the Lokale cave is unknown, the cave is not a horrific place. Pleasure impression will be easy to get when someone enters the cave. One of the things which makes the cave delightful is that there are some points on the wall of the cave which has hollow, produces melodious sound when knocking. With soft knocking, sound will be heard. The sound produces irregular tones and can form unique musical composition. Besides, inside the cave, it is very dark. When entering the cave, it is suggested to bring flashlight or torch. Lokale cave has a distance around 25 kilometers from Wamena city. The access to the cave is quite easy because the road has been paved. The cave can be accessed by using two or four motor vehicles. It is located on the edge of the road axis of the regency. So, you do not need to walk far or climb to reach the cave. Its strategic place makes the cave good attraction for family.