A collective tomb from the Umm an Nar period is located inside Hili Archaeological Park.
This tomb is a new type for the Umm an Nar perid and goes back to around 2200 - 2000 B.C.

The tomb was used as a secondary as well as primary burial and has yielded pottery and stone vessels. Jewelery is among the finds.Originally discovered and excavated by the local department of antiquities,a joint team from the U.A.E. and France is carrying out further investigation at this unique tomb.