The Dilmun Burial Mounds were constructed during the Early Dilmun Period over a period of 450 years, approximately between 2200 and 1750 BCE. Criterion (iii): The Dilmun Burial Mounds represent unique sepulchral testimony to the Early Dilmun civilization over a period of 450 years. As remains of settlements are scarce and buried under thick layers of soil, the Dilmun Burial Mounds are the most extensive and most apparent evidence of the Early Dilmun culture. Criterion (iv): The evolution of the Early Dilmun civilization is reflected in the architecture of the Dilmun Burial Mounds. The particular characteristics and distribution of Early and Late Types of Early Dilmun Burial Mounds within the cemeteries are excellently displayed.