Traditional festivals: Development of tourism routes for linking cultural heritage sources in the catchment watershed of Mekong River Basin in Thailand

To investigate the developing tourism routes for linking cultural heritage sources on traditional festival by local, centering and celebrating of communities and traditions in the Northeast traditional festivals’ region in Maekong River Basin were purposed. Associations with celebration and may also provide entertainment, particularly to local communities of cultural heritage sources were linked of tourism routes. These celebrations offered belonging to religious, social, and geographical groups, cultural also seek to inform members of their traditions among families and self-social communities. Collection data approach to surveys, interviews, observations, and focus group discussions with a sample of 85 people who consisted of the key, casual, and general informant groups in Nakhon Phanom, Mukdahan, Amnat Charoen, and Yasothon Provinces to management and promotion with faithful and believable were administered. The original festival are to believable and sanctity of ancient people, practicing inheritance and inherit were admired. The Buddhist temple and religious ceremonies were participated, such as the Illuminated Boat Procession, Nakhonphanom; the Boat Processional Racing, Mukdahan; Bunkhunlan inheritance, Yasothon. As for the development of the tourism routes for linking cultural heritage sources, according to the types of the trips and the requirements of the target tourist groups for 1-5 day trip, amazingly. Key words: Traditional festivals, development of tourism routes, linking cultural heritage sources, the catchment watershed, Mekong river basin.