... Tourism has been become one of the pillars of the world trade economy in recent years, and it has a Grate role to play in bloom of area in terms of Increasing Income, Variety of economic, Exit the zone of isolation and Creating job opportunities. Ecotourism is the most stable Hiking and the Most compatible tourism with area that has found an Impressive place in development of area. This type of the tourism has been paid attention more than Natural Heritage. And rural areas are before, in Geographical territories that have high-ranking and rich values and known as ecotourism’s focuses too, because of including many of original tourism Trustees, in stable development process, in rural areas. The mountain natural visions. Define and special attention to villages, that are the goal of tourism in country, can be considered one of the effective politics of country in the way of ecotourism development, using multi criteria fuzzy in the denaa part (upper padenaa) enjoys significant advantage about this because of the beautiful and original nature. current study has been done with goal, Assessment the ability of ecotourism in mountain Denaa region in semirom city, of both methods in Assessment the Proportion of villages Has been compared. geographical information system Environment GIS model and Proportionality and prioritizing the villages exist in this area, in terms of ecotourism ability, using Topsis multi criteria Decision making Technique, and finally The results At the first, after exact checking and identity the tourism Attractions, proportional Indicators by local and native region’s conditions selected.3 criteria (natural and unnatural gravities and zoning lands, that are talented for ecotourism development, in mountain Dnaa Facilities and Infrastructures) and 16 criteria’s subsets have been used for (paadenaa) part. The results of the research shows that about 26 percent of Keywords: proportional, zoning, Topsis technique, geographical information studied region’s space (2km214/5132) are in the very suitable and suitable system(GIS), fuzzy model
