One of the most famous wells in the world since ancient times to the present day is the Hadaj well, which is one of the oldest wells that still pump water until now, when visiting Taima it is necessary to visit the Hadaj well in order to see the visitor the magnitude of this well, and recall that the external shape The well is a circular perimeter of irregular construction, and the circumference of the wellhead ranges to sixty-five meters, and the depth of the well up to forty feet, and in the southern center of the well eye water is still pumping and watering people and plantings in Taima to this day

Today, the Hadaj well is considered one of the most prominent landmarks of Taima city, as well as a landmark and historical witness to visitors to see the magnitude and ancient construction, and to enjoy and sit under the palm trees that wrap around it, well known since ancient times, where the poets sung and mentioned in their poems poetry, as the well at present It is the focus of interest for those concerned with the province because of the status of this old well and consider it an important historical landmark for the city of Taima in particular and Tabuk in general.