Tourism industry in Thailand has been growing because of increasing in Thailand tourism popularity, as well as continuous supports from the government sector. These lead to sudden tourism expansion. Recently, tourism sector is significant factor which affect on Thailand’s economic system, national income is mostly from tourism sector. While tourism is a part of national economic development, but it has negative effects on environment and society caused from unbalanced tourism management. Nowadays, a lot of Thai and foreign tourists has been increasing as we can see from inappropriate tourism management of some tourist attractions, they mainly interest in income from tourist only. If the government sector, entrepreneur and tourists pay attention on developing tourism into sustainable tourism, both social and environmental problem will be decreased and disappeared.  In addition, To prepare for ASEAN Economics Community (AEC), it is necessary to be ready in tourism management so as to balance economic, society and environment to make them as sustainable tourism. Thus, this is the inspiration for this research in order to determine sustainable tourism development paths by studying from Lanna cultural tourism area, consisting of Chiang Mai, Chiang Rai, Pha Yao, Lampang and Lamphun, which has this study methods as following: (1) Study approaches for sustainable tourism of  Lanna cultural tourism area in order to develop further into sustainable tourism as well as apply this with other tourism all over the nation, (2) Analyze and design indicator for sustainable tourism in order to  assess the potential of a province in Lanna cultural tourism area and use the result lead to be sustainable tourism development. This paper focus on issues analysis involving and influencing to stakeholder of tourism in each dimension of sustainable development which are economic, social, environment in order to use as indicator of being sustainable tourism. This indicator can be apply with all part of tourism in Thailand. 

Keywords: Sustainable Tourism; Sustainable Lanna Cultural Tourism; Stakeholder of Sustainable Tourism.