Nilgiri district, Tamil Nadu, is vulnerable to landslides with steep and fragile geology combined with extreme weather conditions due to its high susceptibility to landslides. Heavy monsoon rainfall and in some cases seismic activities cause landslides that are further increased by human activities like deforestation, urbanization as well as expansion of infrastructure as a result of tourism activities. Such disasters affect transportation, infrastructure, and compromise the safety of the tourists and the communities. Tourism industry is greatly affected because landslides close the major highways, demolish resorts and markets putting the safety of visitors in jeopardy. These risks have been increased by climatic change that changes the pattern of rainfall and makes the slope susceptible to erosion. Weighted overlay analysis (WOA) using Geographic information system (GIS) is a good method of assessing landslide hazards. It incorporates various aspects, including slope, rainfall, lithology, and vegetation cover to classify the locations into low, moderate, and risky ones. Such an approach aids decision-makers to come up with knowledgeable strategies of disaster mitigation and sustainable tourism planning. Studies note that the main factors that contribute to landslides are slope and rainfall, and lithology, the density of lineaments, and vegetation cover also contribute greatly. Although low-risk zones can still be used as a tourist destination, moderate and high-risk zones need to be planned, have early warning mechanisms, and strengthen the infrastructure to guarantee the security of the visitors. Land-use strategic planning, effective infrastructure development and active disaster management are necessary to reduce the impact of landslides. With such measures, Nilgiris will be able to balance the tourism development and the environmental sustainability to ensure the safety of the visitors, as well as the survival of the economy in the long run.