Valley of the Kings the actual tomb of Tutankhamun (KV62) in November 1922. Various expeditions have continued to explore the valley, adding greatly to the knowledge of the area. In 2001 the Theban Mapping Project designed new signs for the tombs, providing information and plans of the open tombs. The earliest tombs were located in cliffs at the top of scree slopes, under storm-fed waterfalls (KV34 and KV43). As these locations were filled, burials descended to the valley floor, gradually moving back up the slopes as the valley bottom filled with debris. This explains the location of the tombs KV62 and KV63 buried in
Valley of the Kings the public. Ramesses II's son and eventual successor, Merenptah's tomb has been open since antiquity; it extends 160 metres, ending in a burial chamber that once contained a set of four nested sarcophagi. Well decorated, it is typically open to the public most years. The last kings of the dynasty also constructed tombs in the valley, all of which follow the same general pattern of layout and decoration. Notable amongst these is the tomb of Siptah, which is well decorated, especially the ceiling. The first ruler of the dynasty, Setnakhte, actually had two tombs constructed for himself. He started excavating