This paper reports on the geoarchaeological survey in the Wadi al-Kabir basin, located in the southern piedmont of the Hajar mountains, to the northeast of Ibri, Oman. The goal of the survey was to understand the spatial patterns of human occupation of the region during the Late Pleistocene and Holocene, paying special attention to the development of landscape and topography. The survey comprised archaeological and geomorphological explorations. Both approaches employed satellite remote sensing and GIS-based mapping of surface features. From the geomorphological viewpoint, the survey area was an alluvial plain washed and surrounded by two major wadis––Wadi al-Kabir and Wadi al-Khuwaybah. In this area, the archaeological team documented 21 sites and scatters. Middle to Late Palaeolithic artefacts were identified in the piedmont areas, while Holocene lithics, characterised by Fasad points, end-scrapers and drills, were scattered on residual hills and terraces. The team identified a total of 246 cairns, most of which look like Hafit-type tombs. Some of the cairns were associated with lithic concentration. There was a Bronze Age and Islamic settlement on the terrace between the two wadis. At that site, called al-Hāsi, the team mapped at least five Bronze Age towers, two Umm an-Nar type graves, enclosure walls, irrigation channels with an aqueduct bridge, bunds to prevent floods, and traces of crop field boundaries and buildings. The results of systematic surface collection and soil sampling in the northern sector suggested that a Bronze Age settlement is probably present underneath the crop fields of the Islamic period.
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