This research used mixed methods to investigate: 1) To study the tourist’s behavior in the Hot Spring area; 2) To study the expectations of Thai tourists towards the Hot Spring Management; 3) To study the perceptions of Thai tourists towards the Hot Spring Management; 4) To create guidelines of Hot Spring Management to promote the quality of Health Tourism in Thailand. The researcher employed purposive sampling. For the quantitative research, the sample group includes 400 Thai tourists who visited 4 sources of Hot Springs, including Phra Ruang ...