CSV

Rivers of Japan - CSV

Japan's rivers are characterized by many short, rapid-flowing rivers due to the topographical feature that approximately 70% of the country is mountainous. There are approximately 35,000 rivers nationwide, of which 109 river systems with 14,083 rivers are designated as first-class rivers, and 2,710 river systems with 7,081 rivers are designated as second-class rivers. The Shinano River (367km) is the longest in Japan, while the Tone River holds the record for the largest basin area at 16,840km². These rivers are managed by the Ministry of Land, Infrastructure, Transport and Tourism and respective prefectures from the perspectives of flood control, water utilization, and environmental conservation.

rivers first-class rivers second-class rivers Shinano River Tone River MLIT flood control water utilization

code,slug,name,description,basinAreaKm2,lengthKm,mouth,prefectures,ranking,riverClass,source
01,shinano-river,Shinano River,"The longest river in Japan, flowing from Nagano Prefecture to Niigata Prefecture into the Sea of Japan.",11900,367,Sea of Japan (Niigata City),"[""長野県"",""新潟県""]",1,一級河川,Mount Kobushi (Nagano Prefecture)
02,tone-river,Tone River,"The river with the largest basin area in Japan, flowing through the Kanto Plain into the Pacific Ocean.",16840,322,Pacific Ocean (Choshi City),"[""群馬県"",""栃木県"",""埼玉県"",""茨城県"",""千葉県"",""東京都""]",2,一級河川,Mount Ominesan (Gunma Prefecture)
03,ishikari-river,Ishikari River,"The longest river in Hokkaido, famous for salmon fishing.",14330,268,Sea of Japan (Ishikari City),"[""北海道""]",3,一級河川,Mount Ishikari (Hokkaido)
04,teshio-river,Teshio River,"The second longest river in Hokkaido, known as a famous canoeing spot.",5590,256,Sea of Japan (Teshio Town),"[""北海道""]",4,一級河川,Mount Teshio (Hokkaido)
05,kitakami-river,Kitakami River,"A representative river of the Tohoku region, famous for the cherry blossom trees at Kitakami Tenshochi.",10150,249,Pacific Ocean (Ishinomaki City),"[""岩手県"",""宮城県""]",5,一級河川,Yumiya-no-Izumi spring (Iwate Prefecture)
06,abukuma-river,Abukuma River,"A river flowing through Fukushima and Miyagi prefectures, with tourist attractions such as the Abukuma Line boat tours.",5400,239,Pacific Ocean (Sendai Plain),"[""福島県"",""宮城県""]",6,一級河川,Mount Asahi (Fukushima Prefecture)
07,mogami-river,Mogami River,"A rapid river flowing through Yamagata Prefecture, known from Matsuo Basho's haiku.",7040,229,Sea of Japan (Sakata City),"[""山形県""]",7,一級河川,Mount Azuma (Yamagata Prefecture)
08,kiso-river,Kiso River,A river flowing from Nagano Prefecture to Mie Prefecture into Ise Bay.,9100,229,Ise Bay,"[""長野県"",""岐阜県"",""愛知県"",""三重県""]",7,一級河川,Mount Hachimori (Nagano Prefecture)
09,tenryu-river,Tenryu River,"A river flowing through Nagano, Aichi, and Shizuoka prefectures into the Enshu Sea.",5050,213,Pacific Ocean (Enshu Sea),"[""長野県"",""愛知県"",""静岡県""]",9,一級河川,Lake Suwa (Nagano Prefecture)
10,aganogawa-river,Agano River,"A river flowing through Fukushima and Niigata prefectures, winding through deep mountains.",7710,210,Sea of Japan (Niigata City),"[""福島県"",""新潟県""]",10,一級河川,Mount Araumi (Fukushima Prefecture)
15,fuji-river,Fuji River,"One of Japan's three great rapid rivers, flowing through Shizuoka Prefecture.",3990,128,Suruga Bay,"[""長野県"",""山梨県"",""静岡県""]",15,一級河川,Mount Noko (Yamanashi Prefecture)
B7,yodo-river,Yodo River,"A river flowing through the center of the Kinki region, with the largest basin population in western Japan.",8240,75,Osaka Bay,"[""滋賀県"",""京都府"",""大阪府"",""兵庫県"",""奈良県"",""三重県""]",,一級河川,Lake Biwa (Shiga Prefecture)