Everything is flat, with the small exception of Haraoua ride in the far north, which reaches 50 m. In the Western part, the tight meanders of El Hamiz River emphasize the low slope of the river and flood risk, at least before the construction of the dam opened on the mountain in 1883 which has regularized the flow.
The municipality is crossed by three wadis:[11] Rouiba is located in the eastern end of the Mitidja Plain, which is a zone of continuous subsidence, which has given rise to an active sedimentation whose elements come from the reliefs of Atlas of Blida.
These two reservoirs are separated throughout the plain by semi-permeable yellow marls of the El Harrach formation (Villafranchien) except at the Rouiba pocket where the two aquifers are in contact.
Bus Stations There are three major bus stations that cover several destinations: The coastline of Algiers region is experiencing a remarkable demographic dynamic, in its eastern periphery - composed of the set Sahel-Mitidja- accompanied by an important development of the built environment, following the saturation of the urban fabric of Algiers, linked to the topographical constraint of its port site, on the foothills of the old massif of Bouzaréah.
The Algerian context during the period 1966-1977 is characterized by a high average annual growth rate (AAGR) of the wilaya of Algiers which reflects the extent of the rural exodus.
On October 31, 1853, the decree of creation was published of the population center named Rouïba, composed of 22 feux on a territory of 385 hectares (951 acres).
In 1872, the last modifications of the boundaries of the commune of Rouïba which extended on 5,153 hectares (12,733 acres) and had a population of 440 Europeans and 1084 Muslims took place.