ABSTRACT
This paper presents the results of a study conducted to evaluate tourists’ perceptions of
environmental issue management in Khao Yai National Park, where has been inscribed as a
natural UNESCO World Heritage Site under the name Dong Phaya Yen–KhaoYai Forest Complex
since 2005. The information could assist in addressing tourists’ perception in order to improve
the management of the site for sustainable green tourism. The current study was carried out in
4 sites located in the complex. The sample size for this research is 654 tourists. The study analyzes
six issues of environmental issue management, which are pollution, facilities, safety, regulation
enforcement, eco-tourism activities, and stakeholder collaboration. Each dimension was rated
both in term of expectation and perception. Positive gaps are found between the scores of
perception and expectation of environmental issue management, implying that environmental
issue management in the complex is more effective than tourists’ expect it to be.