The project “Where the Rain Falls: Climate Change, Hunger and Human Mobility” (short “Rainfalls”) seeks to establish an indepth understanding of the relationship between climatic events and trends – particularly rainfall –, livelihoods and food security of an affected vulnerable population and the role of human mobility as a coping and adaptation strategy. The Thailand case study conducted in the Northern Province of Lamphun is one of eight case studies carried out in Africa (Ghana, Tanzania), Asia (Bangladesh, India and Viet Nam) and Latin America (Guatemala, Peru). The empirical research was carried out in four villages, using qualitative (Participatory Research Approach (PRA), expert interviews) as well as quantitative (household survey) social science research methods, complemented with analysis of meteorological data. The study villages are typical rural upland settlements of Northern Thailand, whose inhabitants include both Thai and Karen communities. The area is hilly and forested. Most households in the study area are engaged in agricultural activities. Rice is grown for household consumption; maize is the most common cash crop of the area