The purpose of this study is to investigate the sustainable tourism resource development of Jeju through researching on the Orum(Parasitic volcano). Samples were drawn from the visitors who were visiting Orums. A total of 259 out of 270 participants are required to rate the resource attributes. These resource attributes are grouped into five dimensions; attractiveness, information-service, controlling the climb, legalization, and facility. The results of the study were as follows: First, sustainability in Orum tourism should be suggested with correct information that are creating the valuable environment perception and right participation. Second, the satisfaction of trekkers is commonly the most importantly considered limited facility plan and information service because facility limitation provides sustainable environment. Third, information-service is one of important atrractive power to recomment this resource for potential visitors and encourage sustaiable tourism development. Fourth, revisiting rate will be increased by concentrate on the information-service and comfortable facility service. Even though this paper have some limitations, this result will provide several implications for practitioners.