As a national nature reserve and the quartzite hoodoo canyon scenic spot of the national geological park, the Eight-Immortal Mountain is located at the northeast of Ji County of Tianjin city. Meanwhile, the Eight-Immortal Mountain is the first key nationwide science popularization education base, and is the national firstly ratified forestry demonstration nature reserve. The total area of the Eight-Immortal Mountain is 5360 hectares, and its forest coverage rate reaches above 95%. As an area with the oldest stratum, the highest terrain, the most mountains, the richest rainfall, the most excellent ecological environment and the most abundant animal and plant resources in Tianjin city, the Eight-Immortal Mountain becomes a natural geological museum, a botanic garden and a large forest oxygen plant. There are valuable Archaean and Proterozoic geological relic wonders in the Eight-Immortal Mountain scenic spot. The natural secondary forest in the scenic spot remains the features of old-growth forest vegetation, and therefore the Eight-Immortal Mountain scenic spot becomes a typical example of the broadleaved deciduous forest form in the warm temperate zone. A unique natural landscape is formed thanks to the numerous marvelous peaks, canyons, immense forests, waterfalls, swags, grottos and the like. So the Eight-Immortal Mountain scenic spot is praised as a fairyland on earth. According to legend, the Eight Immortals were attracted by the marvelous peaks and lakes, the immense forests and hidden valleys sheltered by clouds and mist when crossing the sea, and then the Eight Immortals landed on the ground to have a picnic and rest on a two-meter square stone. Thus, the huge stone is named as the Eight-Immortal table, and at the same time the mountain is named as the Eight-Immortal Mountain.