This study aims to test the influence of destination image on tourist loyalty satisfaction in Lake Toba, Indonesia. This study uses an explanatory research approach. The population of this study is all Domestic Tourists visiting the Lake Toba Region. Determination of the number of samples using the formula and obtained as many as 96 respondents. Primary data collection is done by questionnaire (questionnaire). The data analysis method used is Partial Least Square (PLS) based Structural Equation Modelling (SEM). The study results show that cognitive, unique, and affective images positively and significantly affect on tourist satisfaction in tourist destinations in the Lake Toba Region.