The subject of this work is to study horse-riding tourism of the Republic of Croatia, and horse breeding to the potential development of this form of tourism in the North-West of Croatia. This specific kind of tourism in most European countries carries significant economic consequences. Tendency in this work is especially to study horse-riding role of tourism in sustainable development and the impact of this form of tourism-reduction of seasonality of tourism. A prerequisite for the development of horse riding tourism in the national breeding quality throat, educating people about the ways, possibilities and benefits of horse riding tourism, but also the familiarity of local authorities and communities about the benefits of horse riding tourism. In rural areas, which is more than 90 percent of the territory of the Republic, where about 40 percent of its residents who are directly or indirectly connected with agriculture. If to take into account the natural and cultural diversity of our regions rich in natural resources on the basis of the fundamentals of tourist attractions, preserved environments, and more than 160 thousand registered farms, Croatia has the prerequisites for the development of rural tourism, but also other specific forms of tourism associated with rural places. The aim of this work is to point out the value and stimulate the development of horse riding tourism in the region in the Northwest of Croatia and to analyses the role of horse breeding activities. Croatia has numerous natural and cultural resource bases and good economic conditions for rural tourism development in all their fields, but they are not being used. The potential for the development of horse riding tourism, as 23.000 throat of the horse, of which 15000 are registered, of which 16 % affirm in equestrian sports, and 6% achieving top results. Horses have become more significant connection between rural and urban places, because the owners of horses from cities where you will find horses in rural areas, and thus improve their way of life. Due to the great interest of tourists for riding and other activities in many developed countries before the development of specific deals, called equestrian tourism. From these reasons, it is possible to develop equestrian tourism, especially in continental Croatia.