Bali is a small island, but Bali has a large lake, beautiful, and interesting. Lake in Bali has a very vital function. In particular the continuity of the subak system, the organization that regulates the irrigation system in Bali. Lake in Bali, is the beginning of the inception of the Subak system. Therefore, the people of Bali are maintaining the existence of lakes in Bali.
There are four lakes in Bali which serves as a source of irrigation water for rice fields related to the Subak system. Lakes in Bali not only as a source of water for irrigation, as well as a tourist attraction. Utilization of the lake as a tourist spot, giving more value to the tourism industry in Bali.
All lakes in Bali has a temple, called Ulun Danu Temple. Ulun Danu is closely associated with the subak system. By applying the concept of Tri Hita Karana, the making of temples in every lake has a meaning that humans always keep all of God's creation, and the hope that God will always provide abundant water to Bali.
Four lakes in Bali:
1. Lake Batur
Lake Batur including types of active caldera lake located at an altitude of 1,050 meters above sea level. Located in the area of Kintamani, Bangli Regency. The average depth of 50.8 meters. Batur lake water sourced from rainwater and seepage-water seepage from the surrounding mountains with 105.35 km2 catchment area. The length of the shoreline of Lake Batur approximately 21.4 miles surrounded by land with two different topography, is in the western part is undulating lowlands to the mountains, and in the north, east and south is an area of steep hills to mountains. Batur lake water temperature conditions ranged from 22.8 to 26.6 C and relative humidity annual average is 87.67% ..
