Pura Ulun Danu Beratan is a Shaivite Hindu temple located in the mountains of Bedugul on the northwestern shore of Lake Bratan in Bali, Indonesia. Built in 1633, it is mainly dedicated to the Balinese Hindu water goddess, Dewi Danu. Designed in the open air like most Hindu temples in Bali, the Temple honors the irrigation provided by Lake Bratan to central Bali.