The turtle old age mountain (it probably will finish, za which probably will finish it is,), the mountain which is almost on Chubu of the Seto inland sea Oshima southern part. Another Nagoya University Kameyama (largely and ma), corner peak. Altitude 307m. As for administrative division Ehime prefecture Imabari city Yoshiumi Cho. The lookout which considers even in view is installed in the mountaintop, from here to west and north the islands of the Kurushima strait and the art estimate archipelago, 燧 Nada, is possible the fact that in addition the Imabari port Imabari town is desired to south to east. Until recently, the road to the mountaintop width was narrow, but the road is improved by the view Kouti service which refrained from Setouchi stripe common coastal highway being open to traffic 1999, access is improved, in addition e.g., also the parking zone is installed in the mountaintop vicinity, also the person whom it visits increases. It is included in the area of the Seto inland sea national park. Especially, view of the Setouchi evening sun which desires the Kurushima strait under the eye is well used for the sight-seeing PR photograph and the like. The small village is formed to north and west, but south and east the seashore which touches to the Kurushima strait is continued. The March type earthenware has been excavated from the various parts of the mountain, you can infer that it is the strategic point of marine traffic from ancient times. There is a treasure 篋 sign tower of style of the Kamakura age latter term in the medium stomach, Yosihiro's Murakami grave is conveyed.