Lake Tamblingan is a lake located in the plateau area with green hill surrounded. It is situated adjunction to Buyan Lake with cool weather. It has the fascination where the nature authenticity can be felt and the inexistence of motorized boat here. These beautiful lakes can be seen from the top hill right from Asah Gobleg Countryside, Sukasada District and Singaraja regency, north part of Bali. This lake is ideal for Jungle Trekking Adventure because it is very amazing with the rain forest including flora and fauna observation. Beside of that, many local visitors are doing camping program or outdoor team building while enjoy the beautiful nature. Here we can also see the local residents use the small traditional boat which is called Perahu to cross the lake or do fishing. The existence of monkey which is not far from these two lakes are precisely located beside the main road from Denpasar to Singaraja. In progressively, the amounts are more and more dwelling this area and it was one of fascination for tourist who visit it. It is located in Sukasada sub district, 21 km south side of Singaraja. It is situated in the high land about 1000 meters above sea level so that the atmosphere is rather cold and chilled at night. Lake Buyan is a smallest lake in Bali located just next to Tamblingan Lake. It is located in the plateau area and covered by cool weather. It is situated in the high land with hill and rain forest surround it. Since the location in the plateau area, the fog is usually blanketing the area. This lake can be seen from the top of hill which is called Asah Gobleg. Asah Gobleg itself is the name of the countryside located on the top of hill where the villagers live with agricultural life. Buyan Lake has the broadness about 3,9 km, with the maximum of deepness is 87 meters and the water volume is 0,116 km3. As a tourist destination, in Buyan Lake has been available the stop point with traditional chair along the road. The temperature in this place is relatively cool in particular at night and it is many visited by tourists in particular from local.