Study of the general characteristics of Fractures in the central part of the AL-Kabir AL- Shimali river basin showed the presence of several main groups of Fractures with directions NE-SW _ NNESSW, NW-SE , E-W.and showed increased fracture rate in the northern and southern parts of the study area, and that the spacing between the Fractures close to the medium convergence (5-34) cm , also show a aperture ranged between (0.1-5.1) cm, where aperture width was increased in southwest of Lake 16 October near Lattakia- Kless fault .