Rhyolitic pyroclastic rock crushing of “Kozagawa arc-shaped dike” weathered, and worm-eaten spot-like Tafoni was formed. It’s thought the bedrock surface comes off by growth of a minute crystal of gypsum, and cause weathered falls, and that’s formed out of the process by which water evaporates from the surface. There is also belief divine favor is for sickness of an ear. One of main cityscape of Japanese geological feature hundred pieces “Kozagawa arc-shaped dike”.
Iwashima which takes a ritual leading part in Kozagawa Kochi Festival (national designation intangible folk cultural properties). Three ships which accomplish a core of Kochi Festival decorated the whale ship which was used for the ancient rite whaling popular formerly in a military ship wind as a boat for a nobleman of a divine spirit. Kochijima Island which becomes the divine object is made of a granite porphyry in Kozagawa arc-shaped dike.
Tafoni develops by weathering of rhyolitic pyroclastic rock crushing, and the shape like the flower of Tree peony is formed. One of main cityscape of Japanese geological feature hundred pieces “Kozagawa arc-shaped dike”. To make sure that the villagers won’t meet a king snake from an opposite shore before, a Tree peony rock has the folk tale which penetrated near it after I cough certainly.
The bridge that lies underwater during flooding, in Myojin, Kozagawa Town. When rising, damage by driftwood can be avoided by diving in the river. It was maintained by request of resident’s continuation preservation.
A huge rock face made from rhyolitic pyroclastic rock crushing of “Kozagawa arc-shaped dike”. “Kozagawa arc-shaped dike” over more than 942 km was formed as the aisle when rhyolitic magma spouts to the surface of the earth with “Kumano, caldera” formation before about 14 to 15 million years ago. There is a folk tale of a defense dog of Ichimai-iwa Monolith, and the shadow of the huge defense dog appears in April and August every year.
Kozagawa arc-shaped dike is a rocky mountain of Souji Mine which makes, and a Nametoko-iwa rock (rhyolitic pyroclastic rock) and cityscape of a giant of a rock ･ tofu-iwa rock (the pillar shape of the granite porphyry and tabular joint) etc. have the impression. It’s possible to see a flower of rhododendron metternichii, rhododendron keiskei, Tricyrtis macranthopsis Masan and Asa Marine dough in the season.
A wharf mark of the Manago-bune Ship which used the riverbed topography formed by choice erosion of sandstone and mudstone of Muro Group well.” Manago-bune Ship” was main transportation in Koza-gawa River basin until 1945 ‘s. Manago village mark which prospers as an important position of traffic around here is left.
The section which turns the corner in Kozakaidou used as a main traffic way formerly. It goes up to pass from a ravine on Samoto river through Fukuiya village trace, stone construction and a stone pavement are left along the way. The Muro Group of accretionary prism who accomplishes a foundation in Kii Peninsula exposes to Samoto Valley, and subsea apron can observe accumulated stratum and gap.
A stratum of the Kumano Group which forms a riverbed in Takinohai receives heat water deterioration and indurates white. A rich watercourse thrust a hard rock through homogeneously, and rotten spot of the various shape and size (pothole) and a channel-like pool in a river were formed. Tatsumiya folk tale of hai Taro of a fall (with some stories) is left. It’s possible to see countless Sicyopterus japonicus and Amur goby climbing a rock face in a waterfall in July.
The megalith reflected the sound through which a river flows, and resounded through “Kiizoku-Fudoki”, so that it was the dimension of Narikawa’s place-name. It’s made of sandstone of Kumano Group.