The fortress is located on the bend of the Danube, right across the mouths of the Karaš and Nera rivers, at Danube's . West of the fortress are lower ( high), marshy areas of the Danube's right bank, including the islands of Čibuklija and Ostrvo. East of Ram, the terrain elevates to , at the Gorica Hill. At Ram, the Danube is wide. Geographically, the area surrounding the fortress is the Ram-Golubac Sand, a long and long sand area. It is a southern extension of the much larger Deliblato Sand in the Banat region and two sand areas are divided by the Danube.