Ulun Danu Beratan Temple Bali is a temple dedicated to the goddess of the lake, namely Ida Batari Dewi Ulun Danu on the edge of a large crater. The dominant temple is Meru (pagoda) dedicated to the goddess of the lake and the deity of Mount Agung and Mount Batur, the largest volcano on the island of Bali. This temple was built in the 17th century to worship the main Hindu trinity, Brahma-Vishnu-Shiva, as well as the goddess of the lake, Dewi Danu. The scenery and cool atmosphere of the highlands of Bali make this lake and temple a favorite tourist and recreation place and is often used as a place to take pictures.

Ulun Danu Beratan Temple, literally 'the source temple of Lake Beratan', is the island's most iconic nature reserve sharing quality views with the seaside temples at Uluwatu Temple and Tanah Lot Temple. The surface of the lake that reflects the subtle light that surrounds most of the temple base creates a unique floating impression, while the mountain ranges in the Bedugul region surrounding the lake provide a beautiful backdrop for the temple.

History of Ulun Danu Beratan Temple

Ulun Danu Beratan Temple can be traced back to the rise Kingdom of Mengwi The name Ulun Danu Beratan Temple is taken from the lake where the temple was built on Lake Beratan. The name of Lake Beratan cannot be separated from Mount Beratan as Gods and Goddesses as a source of fertility, and prosperity to maintain prosperity in life and people's lives. In the Papyrus Chronicle of Mengwi, the history of the founding of Ulun Danu Beratan Temple is described along with the existence of the Mengwi Kingdom. Therefore, its status is related to the former Sultanate of Pura which is usually called Dang Kahyangan. Similar to the descriptions in the Usana Bali papyri and Padma Bhuwana, the Puncak Mangu Temple where Panyawangan (place of prayer) is Ulun Danu Beratan Temple. So it is called by all Balinese people as Kahyangan Jagat (The Largest Hindu Temple Group in Bali).

The 'floating' temple complex consists of four groups of temples, including the prominent Lingga Petak temple to the east. There are four gates facing each of the four cardinal points.

Ulun Danu Beratan Temple consists of 4 temple complexes, namely:
- Lingga Petak Temple has the function to worship Lord Shiva.
- Penataran Pucak Mangu Temple is called this gate as Parhyangan Ri Pinggiring Rawa Beratan or Danu Beratan Temple which was founded by I Gusti Agung Putu to worship Hyang Ing Parwata or the God who was placed at Pucak Mangu namely Bhatara Hyang Danawa according to the Padma Bhuwana and Usana Bali papyri, because Mount Mangu is located in the north, so it is called Bhatara Hyang Danawa or Lord Vishnu.
- Terate Bang Temple serves to worship Lord Brahma.
- Pura Dalem Purwa serves to worship Dewi Danu who is considered to be the sacred Bhatara Hyang Danawa or Dewi Laksmi.

Ulun Danu Beratan Temple Ceremony

The temple ceremony execution at Ulun Danu Beratan Temple consists of two types those are:

- The temple ceremony is executed every six-month (210 days) on Anggara (Tuesday) Kliwon Julungwangi (Based on the Balinese Hindu calendar). Every 12 months (420 days) is executed by the bigger ceremony from the ordinary ceremony, the so-called Piodalan Agung.
- Pakelem ceremony is executed at any time according to the situation and condition. The Pakelem ceremony owns the function to worship the supremacy and also cheapness of the infinite for the award of life, fertility, and prosperity, as a result of the balance of the ecosystem so as to provide benefits for life and the universe forever, as long as Lake Beratan and Mount Beratan stand here.