Compilation part of the Bachelor thesis is focused on sustainable development and tourism. An integral part is conservation management with a focus on the NP Šumava. Thesis mainly concentrates on evaluating the impact of tourism on the environment whereas one chapter/part is an analysis of winter tourist season in mountain areas. The experimental part deals with monitoring of tourims in NP Šumava to which was used a method of questionnaire survey. The emphasis is put on winter sports tourism. Research results (from winter season) are compared with summer surveys. Among new findings belong a increase of car traffic by 5%, absence of adequate car parking facilities/parking spaces and diverse opinions of summer and winter visitors. Based on these results relevant management disposals are introduced.