Ban Khiri-wong Ban Khiri-wong Thailand’s holiday destination with the purest air quality Location: Lan Ska district Ban Khiri-wong is an ancient community located in the midst of mountain ranges and rivers. The locals lead their life humbly in a clan society and follow the philosophy of sustainable development. Surrounded by rich and beautiful natural resources, including mountains, waterfalls, flora and fauna, Ban Khiri-wong is regarded as a model community of an ecotourism business.Initiating from their local orchard farmers’ way of life, the villagers have developed services and facilities for tourists into a new business of the community.