Geosite List Home Geosite The River Terrace in Ichinose The River Terrace in Ichinose This is the largest river terrace in Kamitonda Town that has a length about 1km. There are five dissected valleys in the district and also man-made ponds and 6km water channels built in 1833 that are still used up to this day. Map The River Terrace in Ichinose 33.709829,135.4689145,14 See in the map app