This study aims to estimate the economic value, social value and environmental value of the Sarangan Lake tourism object in Magetan Regency. The method used to estimate the economic value is the travel cost method with the dependent variable being the number of tourist visits and the independent variables consisting of age, income, distance, time, travel costs and visits to other tourist objects. The method used to analyze social value and environmental value is benefit analysis. The results of this study indicate that the variables of age, income, distance, time and travel costs have a significant effect on the number of visits to Sarangan Lake. The result of economic value based on TCM is Rp9,707,965,240,877,20. The social analysis obtained is that Telaga Sarangan has a positive impact in the form of creating job opportunities for the surrounding community and from environmental analysis it can be seen that there are still problems in waste management in Sarangan Lake.