6th Grotto-Heaven: Mount Chicheng第六 赤城山洞（上清玉平之天）
- Type
- Grotto-Heavens and Blessed Lands
- Location
- China · Zhejiang · Tiantai, Taizhou · Mount Chicheng, north of Tiantai county town (according to one account identical with Mount Tiantai)
- Coordinates
- 29.16, 121 Map ↗
- School
- Shangqing (Highest Clarity) School, Southern Lineage of the Golden Elixir (Nanzong)
- First built
- Sima Chengzhen, Chart of the Palaces and Bureaus of Heaven and Earth (during the Kaiyuan era of the Tang); Du Guangting, Record of Grotto-Heavens, Blessed Lands, Marchmounts, Rivers and Famous Mountains (end of the Tang) · The Grotto-Heavens and Blessed Lands system took shape in the Eastern Jin and Southern Dynasties; the roster of names was fixed in the Tang by Sima Chengzhen and Du Guangting. Present-day identifications are conjectural.
Overview
The sixth of the Ten Great Grotto-Heavens, three hundred li in circumference and titled the "Heaven of Shangqing and Jade Tranquility," governed by the Immortal Elder of Xuanzhou. Today it is Mount Chicheng in Tiantai, Zhejiang, whose reddish cliffs resemble a city wall; the mountain has the Yujing Cave, Ziyun Cave, and the Jigong Cloister, and together with the Tongbai Palace of Tiantai forms part of the Daoist heritage of Tiantai. See the entry "Mount Tiantai" for further detail.