Ключевые слова: agricultural water, arch, arch dam, autumn, building, buildings, civil engineering, dam, dam lake, force, great appearance, historic sites, historical landmarks, history, hounen pond, important cultural property, industrial heritage, irrigation, irrigation water, ishigaki, japan, kagawa prefecture, kanonji city, kasada river, landmarks, landscape, mountain, multiple arch dam, old, park, pond, public facilities, reservoir, sanuki, sanuki mountains, september, shikoku, sightseeing, social infrastructure, stone masonry, stone masonry multiple arch dam, style, sunny, tourist attractions, tourist spot, toyonike dam, toyonoriike dam, toyonoriike reservoir park, toyonoriike stone arch dam, trip, udon prefecture, water, water discharge, water flow, weir,