Sustainable development of mountainous regions and their social and economic growth is one of the significant challenges of modernity. The mentioned problem constitutes one of quite urgent issues of Georgia, in particular for mountainous Ajara region, as the study area is subject to demographical and economic crisis during recent years. Touristic and recreational resources of mountainous Ajara is evaluated via application of traditional and modern methods and the index of fitness of area usage for touristic and recreational purposes is determined. Geographical characteristics of tourism development dynamics and perspectives of operation of some particular types of tourism are found out. On the basis of theories of economic development and taking into consideration of environmental sustainability, originalities of regional economy fields are found out and the place of tourism in local economy structure is shaped. By finding out functioning of state municipal programs, business interests and attitude of local population in line with sustainable development of the region—there are determined a tourism’s priorities, existing challenges and the perspectives of their further development via complex approaches are set.