Phra That Cave is about 12 kilometers from the Erawan National Park Office. With a length of about 200 meters, with stalagmites and stalactites, beautiful shapes. The highlight of Phra That Cave is most of the stones are translucent and has sandstone shaped like relics. There are also master pillars in the cave as well. The cave is divided into 5 rooms, including frogs, hibernation, planetariums, veil pillars and bells. Phra That Cave can provide knowledge of geology and the earthquake too because there are signs of the fault condition caused by natural phenomena and earthquake.