With the global spread of COVID-19, there have been constraints on tourism behavior, which are increasing the negative emotion of tourists. To recover from this negativity, tourists are pursuing domestic nature-based travel as much as possible in the current situation. This study aims to empirically confirm whether natural tourist destinations have the effect on helping tourist recover from COVID-inspired negativity and if perceived happiness is enhanced for those who traveled to natural tourists destination during the COVID-19 pandemic situation. In order to test the hypothesized model, data were collected from an online survey from September 5th to September 19th. A total of 742 of 845 responses were used for empirical analysis. The results of the study are as follows. First, it was found that physical risk perception did not affect perceived restorative environment, while psychological risk perception and socio-environmental risk perception had an impact on perceived restorative environment. Second, it was found that the perceived restorative environment had an impact on perceived attention restoration. Third, it was found that the perceived attention restoration had an impact on travel happiness (subjective well-being). This study is meaningful in that it theoretically verified the importance and positive role of domestic nature-based tourist destinations in a psychologically negative state. Based on the results of the study, natural tourism destination development directions were proposed for tourism business corporales and public institutions.