Abstract-With the development of the tourism, tourism virtual visualization became the essential method to show the charm of scenic spots. Study on the integration technology of panoramic images, 3D GIS and cloud GIS to visualize the mountain scenic spots in order to meet the needs of travelers, the integration technology supports real feel about site, adds an online travel manner. The advantages of cloud GIS are reducing the development cost, shortening the development cycle, integrating multi-data (space and non-space data) in the open style database. The characteristics of the mountain scenic, like terrain ups and downs, different scenes in seasons and seasons' scenery in mountains are vividly showed by the virtual visualization system. The system provides tour with a new direct interactive abundant feel.