The story of Batu Karu temple is not easy to be found out even in the ancient omission exists in this temple. For example some profile area like harpoon own the Ancient Bali type, but no written data found it. The effort study and research of this temple history remain to find difficulties. The temple festival at Luwur Watukaru or Batukaru Temple is executed every six-month or 210 days which is every Thursday Umanis Wara Dungulan (Balinese Calendar), just the day after Galungan Day (the biggest Balinese Hindu Holidays). The extension day of temple festival is executed during eleven day, to give the opportunity for Hindu public society especially in Bali to come for praying. Pengempon (the society who take care of the temple) has the obligation to take care of the temple inclusive of ceremony execution. This fact is one of characteristic power outside of physical of Watu Karu Temple.
One uniqueness in batu karu temple is the ceremony which is only last for one day, quiet different from the rest of the temple in Bali which have the average ritual duration at least 3 days. The main ceremony will fall between Galungan and Kuningan holiday in Bali, while Galungan and Kuningan is the biggest holiday for all Bali except north Bali and villages called Bali Aga. The second uniqueness is that the accomplishment of the ceremony has never been involving Brahmana priest, it is enough conducted by local priests called pemangku.