Changangkha Lhakhang is an old fortress like temple and monastic school perched on a ridge above Thimphu.Established in the 12th century on a site chosen by Lama Phajo Drukgom Shigpo. The central statue is Chenresig in a 11-headed manifestations, and the books in the temple are larger in size than usual Tibetan texts. There is an excellent view of Thimphu from the courtyard