The Wenlan Pavilion (Chinese: 文瀾閣), also known as the Imperial Wenlan Library, Imperial Library or Wenlan Ge, is a library and garden located in Hangzhou, Zhejiang Province, China. The library was one of the seven major collections of books built by the Qianlong Emperor of the Qing dynasty to house the Siku Quanshu and the only surviving one among the southern collections.[1]