Small and medium-sized Tourism Enterprises (SMTEs) are important industries in collection of revenue and the economic contribution for development. This thesis examined tourism enterprises on four dimensions of sustainability these are the economic, the environmental, the socio-cultural and the institutional indicators. 28 interviewees were taken in three key sectors; accommodation, service and other supportive sectors of SMTEs in Pokhara, Nepal. The interviewees were owners, managers, and workers. The result revealed that entrepreneurs are happy with the businesses performance and profitability. However, they are interested to reduce negative impact and increasing positive contribution to the environment and society at the destinations. This research will be one of the positive examples on making sustainable tourism enterprises a big success in the destination. Furthermore, how tourism entrepreneurs are to be implemented sustainability indicators on it. The study applied the concept the prism of sustainability. This involved sustainability indicators tourism in four dimensions of it.