There are Batur, Bratan, Buyan and Tamblingan lakes. All of them are situated on the hilly area of the island, and all formed inside the crater of ancient mountains. Lake Batur is the biggest, located inside the crater of ancient Batur great mountain in the northeast of Bali, meanwhile the other three lay close together in Bedugul area in northwest part of Central Bali.

Lake Batur
Lake Batur is the old crater of Gunung Batur, a still active volcanoe next to it. It is located on the northern part of Bali. There is a hot spring right by the lake. You can enjoy the spectacular scenery of Lake Batur from Kintamani. Across the lake, only reachable by boat, lies the village of Trunyan, where the Bali Aga people live.

Lake Bratan
Lake Bratan is located next to Mount Bratan and Mount Catur. It is the second largest lake in Bali. The important temple of Pura Ulun Danu solemnly guards the lake. The resort area of Bedugul offers excellent views of the lake, as well as a number of water activities such as parasailing, swimming, etc.

Lake Buyan and Lake Tamblingan
Immediately to the northwest of Lake Bratan, Lake Buyan and Lake Tamblingan used to be one body of water, until a landslide separated them at the turn of the 19th century.