The Tsugaru Quasi-National Park Lake Juniko (Twelve Lakes) is a collective name for 33 lakes and ponds. These lakes and ponds extend over an area of 4k㎡ (1.5 square miles) on an undulating plateau, with a ranging altitude from 150 meters (492 feet) to 250 meters (820 feet). Though there are 33 ponds and lakes, it is called Juniko (Twelve Lakes) as when seen from the summit of Mt. Okuzure, only twelve could be seen.One of the most beautiful lakes is called Aoike (literally “blue pond”), the surface of which is enchantingly shining and beautiful, like blue ink melting. It is a very special lake – as blue as if it were artificially colored. With water visibility of 9 meters (29 feet), one can see withered beech trees lying submerged in the cobalt water. The sight of Aoike when the sunbeam shines through the trees is simply breathtaking.Aoike has also been listed up in the ""Famous Ponds list in Aomori Prefecture"" for its beautiful blue color jus as the boiling water of Wakitsubo Pond.