The purpose of this descriptive-Correlation study was to investigate Effective Factors on Rural People Participation in Watershed management projects in Dorod Faraman & LalAbad Basin, Kermanshah Province. Both qualitative and quantitative paradigms were considered in the study. The target population in quantitative section consisted all rural peoples in the Dorod Faraman & LalAbad Basin villages (N=3722). 220 of them as sample were selected based on Morgan and kerjece table and randomized classified samling method. The population of the study in qualitative consisted all villagers in the Hosin Gholi Khan village and all Watershed organizational experts which were selected by Snowball sampling method. The result showed that there are significant positive correlationship between extension & informartive source using, attitude regards participation, education, and social relationship rate of respondents with their participation degree in watershed management projects. But agricultural work experience, livestock number, the amount of dry land and Sheep number had significant negative correlation with their participation degree in watershed management projects. The qualitative analysis revealed that there are differences between rural people and experts regards participation concept and related factors on participation degree. The regression analysis revealed that 57 percent of variability in participation degree of rural people in watershed management projects is explained by two informative and extension resources using degree and economic Status of respondents.