Facing the Huanghai Sea in the southeast and linking the Qian Mountain in the northwest, the Immortal's Cave Nature Reserve is located in the north-of Zhuanghe County on the Liaodong Peninsula.

Belonging to the Qian Mountain Range with an altitude of 681 meters above sea level of its main peak, the Reserve was established in 1981 with an area of 3,574 hectares. Influenced by marine climate in summer, the Reserve enjoys a temperate monsoon climate with fresh air and abundant water resources.

The Reserve lies in a transitional belt between the two plant families of Changbai and northern China regions, and on a rendezvous between the Palaearctic north China and northeast China regions, featuring a variety of biotic species zonations. The Reserve houses 810 species of higher plants. The representative species of plant families in the Changbai region are Mongolia oak, yellow pineapple, northeast China ash, ginseng, azalea, etc. and the representative species of plant families in northern China region are Japanese red pine, Chinese pine, etc. Under the fine ecological environment live here 196 species of vertebrates including wild animals under key national .protection, such as golden eagle, white—tailed sea eagle, otter, etc.

The Reserve is also rich in water resources, especially the mineral water containing 23 trace elements of medicinal value.