**6. Conclusions**

Ecotourism has environmental, social and economic impacts to the community, nation and the whole world. For assessing its issues and impacts, social tools such as questionnaire surveys, focus group discussions, key informant interviews and review of literature were applied by different researchers. It has helped in sustainable development of Nepal and the whole world by conserving environment, increasing employment, enhancing livelihood and promoting the culture and traditions. There is need of cooperation among different stakeholders, training of ecotourism to tourism entrepreneurs and appropriate management policy for sustainable implementation of ecotourism projects.
