The Thirty-six Lesser Grotto Heavens

It is said in Daoism that the Thirty-Six Lesser Grotto Heavens ( 三十六小洞天 Sanshiliu Xiao Dongtian ) are located among the famous mountains, which are also governed by the supreme Immortals ( 仙 Xian ). According to Volume 27 of The Seven Slips of a Cloudy Satchel ( 雲笈七籤 Yunji Qiqian ), they include: 三十六小洞天
 * 1) Mt Huotong Grotto,
 * 2) East Mt Tai Grotto,
 * 3) Southern Mt Heng Grotto,
 * 4) West Mt Hua Grotto,
 * 5) North Mt Chang Grotto,
 * 6) Central Mt Song Grotto,
 * 7) Mt Emei Grotto,
 * 8) Mt Lu Grotto,
 * 9) Mt Siming Grotto,
 * 10) Mt Guiji Grotto,
 * 11) Mt Taibai Grotto,
 * 12) Western Mountain Grotto,
 * 13) Mt Xiaowei Grotto,
 * 14) Mt Qian Grotto,
 * 15) Mt Guigu Grotto,
 * 16) Mt Wuyi Grotto,
 * 17) Mt Yusi Grotto,
 * 18) Mt Huagai Grotto,
 * 19) Mt Gaizhu Grotto,
 * 20) Mt Duqiao Grotto,
 * 21) Mt Baishi Grotto,
 * 22) Mt Goulou Grotto,
 * 23) Mt Jiuyi Grotto,
 * 24) Mt Dongyang Grotto,
 * 25) Mt Mufu Grotto,
 * 26) Mt Dayou Grotto,
 * 27) Mt Jinting Grotto,
 * 28) Mt Mugu Grotto,
 * 29) Mt Xiandu Grotto,
 * 30) Mt Qingtian Grotto,
 * 31) Mt Zhong Grotto,
 * 32) Mt Liangchang Grotto,
 * 33) Mt Zigai Grotto,
 * 34) Mt Tianmu Grotto,
 * 35) Mt Taoyuan Grotto,
 * 36) Mt Jinhua Grotto.