Buyan Lake is a lake located in the village area Pancasari, District Sukasada, Buleleng, Bali. This lake is one of three twin lake that forms in a large caldera. He was flanked by two other lakes, namely Lake Tamblingan in the west and Lake Beratan in the east. Lake Buyan is the largest of the three.
Among the lakes Buyan and Tamblingan separated by woods along approximately one kilometer, there is a pool that is connected directly to the lake Buyan through a narrow canal. The community pool is called Telaga Aya.