The Qarah Tappeh Qom Rood hill lies at a distance of 23 km. northeast of the city of Qom, and to the southwest of the Qom Rood Village. According to the present evidences, the primary settlement in Qom Rood plains dates back to the 8th or 6th millennium BC. This vicinity has been a territory of research studies in three phases. In these studies relics related to valuable architectural effects and a few earthenware vessels have been discovered. The remnants date back to 4400 BC. Qarah Tappeh which is circular in form is located on a natural hillock nestling amidst green and lush pastures. Materials utilized in this construction are clay, sun-baked bricks, an encrustation of clay and straw, gypsum and brick. The most archaic relics discovered here are from the late Stone Age, whilst the newest ones relate to the Naseri (Qajar) era. These monuments are the limits of the hillock, castle, caravansary, Imamzadeh, bridge and guiding tower. Years of research have produced such impressions that the inhabitants of this area earned their livelihood by means of agriculture and animal husbandry. They were acquainted with building dwellings and also in architectural spheres. To mention other arts in this territory, its inhabitants were familiar with the art of sculpture and a few samples of these have come to hand. In the way of culture and industry, they made simple articles such as pins and needles by smelting copper. This in itself pin points the progressive Iranian civilization of that times in the said vicinity.