The research instrument is questionnaire. This questionnaire is composed of 36 indicators in three categories of variables economy, culture and environment. To ensure validity, the questionnaire was placed at the disposal of experts to evaluate the reliability of the results was 903. Cronbach's alpha coefficient equal Data analysis have done by using SPSS and AMOS software. Single sample T-test has been used for examining the research hypotheses and Freedman test has been applied for ranking the effects of development of ecotourism. The results showed that between the economic, cultural, environmental, the most important dimension is economic, cultural and environment are in their next orders. According to the results of T-test, average number of respondents to the effect of tours on economic variable is significantly higher than the average number of this component. Hence, the hypothesis is confirmed and it can be inferred that ecotourism tours have affected economic of Damavand. In investigation of the effect of   social and cultural variables, the results of the test demonstrate effectiveness of ecotourism tours on the studied region and finally the results about environmental effects has confirmed this effectiveness.