Archeologists dug five holes with a total area of 324 sq.m and found 43 tombs, mostly jar tombs and pot tombs, which were buried at an average depth of 60-70 centimetres.
Objects buried with the tombs are stone tools and ceramic objects used in daily life like jars and bowls.
Truong Dac Chien from the Viet Nam National History Museum, who is in charge of the excavation, said the finds show the relic site is not only a habitation of ancient people but also a workshop manufacturing stone tools.
Initial research show the relic may be dated to the period of pre Sa Huynh culture (3,500-2,500 BP).
Scientists will conduct further research to determine the relationship between the cultural layer and the tombs as well as the relationship between the cave and other relic sites in the region.