The concept of social capital has been emphasized through its connection with the basic social components including belief, awareness, participation, trust, cohesion and social network in the direction of sustainable development of societies, especially rural communities. This study aimed to investigate the effect of social capital components on the development of rural tourism. The present research method is descriptive-analytical. The main research tool is the questionnaire. The statistical population of this study is the households of the villages in four tourist target villages in the Torqabeh village, Binalood city in Khorasan Razavi province. To measure the reliability of the research instrument (questionnaire), Cronbach's alpha coefficient and KMO coefficient were used to validate the questionnaire. Six effective institutions in rural tourism development are (etc, council, village, private sector, heritage organization, district, public sector and non-governmental sector). In terms of villagers' belief in their effectiveness, villagers' trust in these institutions and villagers' participation in the development of tourism with these institutions were examined and the research results show that from the villagers' point of view, believing in the effectiveness of any institution ensures villagers' trust in it. Institution and ultimately participation in the development of rural tourism.
