Geosite List Home Geosite The Cut-off Spur of Ota-gawa River The Cut-off Spur of Ota-gawa River The mountain ridge that was formed by the winding of Ota-gawa River is left on the plain area isolated from the mountains. The area that was formerly a river channel is now used as a rice paddy. You can see a lot of these landforms among this area. Map The Cut-off Spur of Ota-gawa River 33.5875785,135.8985883,14 See in the map app