“…Choi and Fielding, 2013;Hultman et al, 2015;Rodella et al, 2019;Nie et al, 2019) showed that an individual WTP can be influenced by his/her age, gender, education, and income. Particularly, WTP can also be a function of the previous visit and visit preferences (Kamri et al, 2017), participation in environmental issues and knowledge of ecotourism and conservation (Han et al, 2011;Sadikin et al, 2017;Lundberg et al, 2019), and the level, and type of ecotourism activities, trekking, and nationality (Platania and Rizzo, 2018;Murphy et al, 2018). The present study, therefore examined the effect of attitudes towards conservation and ecotourism, environmental concern, and visit characteristics, besides the socio-demographic variables to provide a comprehensive model of visitors' WTP.…”