HinaMapJapan's Seasonal Festival Guide
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Koinobori & Children's Day Events 2026: Full Schedule

118 events

Every koinobori display, samurai doll exhibition, and Children's Day festival we list, in order of start date. Dates follow official announcements; where none has been made yet, we show last year's dates marked as estimated. Please confirm on the official site before visiting.

Starting in March13 events

  1. Mar 11 – May 5, 2026
    Blue Koinobori Project
    Omagari District and various locations in HigashimatsushimaMiyagi
    Ended
  2. Mar 15 – May 15, 2026
    Uzuma River Koinobori
    Uzumagawa River (Tokiwa Bridge to Korai Bridge downstream)Tochigi
    Ended
  3. Mar 19 – May 6, 2026
    Aikawa River Koinobori Swimming
    Aikawa Riverside Park AreaGifu
    Ended
  4. Late Mar – Mid-May, 2026Est. from last year
    Kawakami Gorge Spring Festival Koinobori Display
    Kawakami Gorge, near Kannin BridgeSaga
    Ended
  5. Mar 23 – May 10, 2026
    Koinobori no Sato Festival
    Tsuryuda River (City Hall), Kondo Marsh, Morin-ji River, Tatara MarshGunma
    Ended
  6. Mar 25 – May 6, 2026
    Tokyo Tower 333 Koinobori
    Tokyo Tower Front EntranceTokyo
    Ended
  7. Late Mar – Late May, 2026Est. from last year
    Oboke Gorge Koinobori
    Oboke Gorge Mannaka (along the Yoshino River)Tokushima
    Ended
  8. Mar 28 – Apr 23, 2026
    Tsuetate Onsen Koinobori Festival
    Tsuetate Onsen Town (along the Tsuetate River)Kumamoto
    Ended
  9. Late Mar – Early Jun, 2026Est. from last year
    Alps Azumino National Park Koinobori
    Alps Azumino National Park, Horigane-Hotaka Area, Terraced Flower GardenNagano
    Ended
  10. Mar 28 – May 9, 2026 (River Fest Apr 29) (est.)
    Yoshinogawa River Koinobori Display
    Yoshino River Riverside ParkNara
    Ended
  11. Mar 28 – May 17, 2026
    Kawagoe 'Swim, Koinobo-kun' Display
    Taisho Roman Yume-dori StreetSaitama
    Ended
  12. Mar 28 – May 31, 2026
    Green Echo Kasagata Koinobori Sky Festival
    Green Echo Kasagata (Kanzaki Ikoi no Mura)Hyogo
    Ended
  13. Mar 28 – May 8, 2026
    Yoshino River Koinobori
    Yoshino Riverside (Mizube School to Kawaraji Park)Nara
    Ended
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Starting in April81 events

  1. Early Apr – Late May, 2026 (Reservation required)
    Tondaya Machiya Tango no Sekku Display
    Nishijin Lifestyle Art Museum TondayaKyoto
    Ended
  2. Until May 16, 2026 (est.)
    Michi no Eki Harazuru Koinobori
    Michi no Eki Harazuru Farm Station BasaroFukuoka
    Ended
  3. Early Apr – May 5, 2026 (est.)Est. from last year
    Tsuwano Koinobori and Tonomachi Canal
    Tonomachi Street, TsuwanoShimane
    Ended
  4. Apr 1 – May 31, 2026 (est.)Est. from last year
    Hida Folk Village Tango no Sekku and Koinobori
    Hida Folk Village (Hida no Sato)Gifu
    Ended
  5. Apr 1 – May 10, 2026Est. from last year
    Tsuchiura Downtown Koinobori Display
    Kijo Park, Tsuchiura Station Shopping Street, Urara Plaza etc.Ibaraki
    Ended
  6. Apr 3 – May 31, 2026Est. from last year
    Koinobori Again: Kuzuryu River Koinobori
    Benten Green Space (right bank of Kuzuryu River)Fukui
    Ended
  7. Early Apr – Late May, 2026 (est.)Est. from last year
    Noritake Garden Koinobori
    Noritake Garden (Six-Chimney Monument Plaza)Aichi
    Ended
  8. Early Apr – Late May weekends & holidays (daily during GW), 2026 (est.)
    Miike Coal Mine Mikawa Shaft Koinobori
    Miike Coal Mine Mikawa Shaft RuinsFukuoka
    Ended
  9. Early Apr – May 5, 2026Est. from last year
    Koinobori Niukawa River Crossing
    Niukawa River (near Kudoyama Bridge)Wakayama
    Ended
  10. Apr 5 – May 10, 2026 (main fest May 5) (est.)
    Nagasawa Koinobori Festival
    Michi-no-Eki Minami KiyosatoYamanashi
    Ended
  11. Early Apr – May 7, 2026 (est.)
    Ichinomiya Honmachi Shopping Street Koinobori Festival
    Ichinomiya Honmachi Shopping StreetAichi
    Ended
  12. Early Apr – Early May, 2026 (est.)
    Furusato Onga River Koinobori Festival
    Onga River Citizens' Ground (in front of Nakama City Hall)Fukuoka
    Ended
  13. Apr 5 – May 9, 2026
    Semata Koinobori
    Murata River (between Kimigawa, Semata, and Shin-Semata bridges)Chiba
    Ended
  14. Apr 7 – May 5, 2026 (est.)
    Takasegawa Koinobori Display
    Takase River banks (Takase District)Yamagata
    Ended
  15. Apr 8 – May 7, 2026
    Aridagawa River Koinobori
    Furusato no Kawa Park (Aridagawa Riverside)Wakayama
    Ended
  16. Apr 8 – May 8, 2026 (est.)Est. from last year
    Shakadogawa River Koinobori (Sukagawa)
    Shakadogawa River (downtown Sukagawa)Fukushima
    Ended
  17. Apr 10 – May 10, 2026Est. from last year
    Jozankei Onsen Koinobori Display
    Jozankei Onsen Town (Jozankei Gensen Park, Futami Park, etc.)Hokkaido
    Ended
  18. Apr 10 – Apr 29, 2026Est. from last year
    Kitakami Tenshochi Cherry Blossom Festival Koinobori
    Kitakami Tenshochi ParkIwate
    Ended
  19. Apr 10 – May 6, 2026Est. from last year
    Kamogawa River Koinobori
    Kamogawa River (Aoi Bridge to Nishinomiya Bridge)Niigata
    Ended
  20. Apr 10 – May 10, 2026 (est.)Est. from last year
    Nihogawa River Koinobori
    Nihogawa River (Niho District)Yamaguchi
    Ended
  21. Apr 11 – May 6, 2026 (est.)
    Tokyo Skytree Town Koinobori Festival
    Tokyo Skytree Town (Solamachi Square area)Tokyo
    Ended
  22. Apr 12 – May 5, 2026Est. from last year
    Numazu Imperial Villa Memorial Park Tango no Sekku Exhibition
    Numazu Imperial Villa Memorial Park, West AnnexShizuoka
    Ended
  23. Apr 12 – May 6, 2026Est. from last year
    Yokoze Koinobori Festival
    Above Yokoze River near Chichibu Yumoto Buko OnsenSaitama
    Ended
  24. Apr 12 – May 11, 2026
    Tateyama Castle Shiroyama Park Koinobori
    Shiroyama Park (Tateyama Castle)Chiba
    Ended
  25. Apr 13 – May 7, 2026 (est.)
    Sanuki Manno Park Koinobori Display
    Sanuki Manno National Government ParkKagawa
    Ended
  26. Apr 14 – May 11, 2026Est. from last year
    Murasakigawa River Koinobori Festival
    Murasakigawa River, near Sakura BridgeFukuoka
    Ended
  27. Apr 14 – May 6, 2026
    Koinobori in the Skyscraper Valley
    Umeda Sky Building, 1F Wonder SquareOsaka
    Ended
  28. Mid-Apr – Mid-May, 2026Est. from last year
    Shimanto River Koinobori River Crossing
    Shimanto River, Togawa AreaKochi
    Ended
  29. Mid-Apr – May 6, 2026 (est.)
    Takitani Rural Park Koinobori
    Takitani Rural Park (near Takitani Bridge)Niigata
    Ended
  30. Mid-Apr – Early May, 2026 (est.)
    Aburayama River Koinobori
    Aburayama River (between Iibaru Elementary and Hara Junior High)Fukuoka
    Ended
  31. Mid-Apr – Mid-May, 2026 (est.)
    Tsuno Winery Koinobori
    Tsuno WineryMiyazaki
    Ended
  32. Mid-Apr – Early May, 2026 (est.)
    Kumasaki River 555 Koinobori
    Along Kumasaki River (Hydrangea Road)Oita
    Ended
  33. Mid-Apr – Early May, 2026 (est.)Est. from last year
    Achi Hanamomo Village Koinobori
    Tsukigawa Onsen Hanamomo VillageNagano
    Ended
  34. Apr 15 – May 17, 2026 (est.)Est. from last year
    Nozomi Park Spring Koinobori Nagashi
    Tarami Nozomi Hall & Nozomi ParkNagasaki
    Ended
  35. Mid-Apr – Late May, 2026Est. from last year
    Hinokage River Koinobori
    Hinokage River (near Seiun Bridge)Miyazaki
    Ended
  36. Apr 17 – May 12, 2026
    Ebetsu Koinobori Festival
    Ebetsu River Disaster Prevention Station & Ebetsu Ceramic Art CenterHokkaido
    Ended
  37. Apr 17 – May 6, 2026
    Rekifune River Clear-Stream Koinobori
    Rekifune River, upstream of Taiki BridgeHokkaido
    Ended
  38. Apr 18 – Jun 7, 2026
    Iwatsuki Doll Museum Tango no Sekku Exhibition
    Iwatsuki Doll MuseumSaitama
    Ended
  39. Apr 18 – May 17, 2026Est. from last year
    Futagawa-juku Honjin Museum May Doll Exhibition
    Toyohashi Futagawa-juku Honjin MuseumAichi
    Ended
  40. Apr 18 – May 10, 2026 (est.)
    Noheji Spring Festival Koinobori
    Atago ParkAomori
    Ended
  41. Apr 19 – May 10, 2026Est. from last year
    Mabi Koinobori Festival
    Mabi Utsukushii Mori (Mabi Beautiful Forest)Okayama
    Ended
  42. Apr 19 – Jun 12, 2026 (est.)
    Yakumo Yu-yu Koinobori
    Hiyoshi Shinsui Park (along Iu River)Shimane
    Ended
  43. Apr 19 – May 6, 2026 (main event May 3)Est. from last year
    Morinosato Koinobori Festival
    Wakamiya Park, Hyotan PondKanagawa
    Ended
  44. Apr 20 – May 10, 2026Est. from last year
    Zaimokuiwa Park Koinobori Display
    Zaimokuiwa Park (Water and Stone Park)Miyagi
    Ended
  45. Apr 20 – May 10, 2026 (main event May 4)Est. from last year
    Anan Kamotani Koi Festival
    Kamotani Community Center, Naka River Bank (Aozora Plaza)Tokushima
    Ended
  46. Apr 20 – May 6, 2026 (est.)
    Himenosawa Park Azalea & Koinobori Festival
    Himenosawa ParkShizuoka
    Ended
  47. Apr 20 – May 11, 2026
    Sakuranuma Park Koinobori Display
    Sakuranuma ParkAomori
    Ended
  48. Apr 20 – May 10, 2026 (est.)Est. from last year
    Iogawa River Koinobori
    Iogawa River (around Mt. Kouma, Kawashima)Tokushima
    Ended
  49. Apr 21 – May 7, 2026Est. from last year
    Nashiki Park Cherry Blossoms and Koinobori
    Nashiki ParkAkita
    Ended
  50. Apr 22 – Jun 15, 2026
    Kasugai Tofu Memorial Hall May Doll Exhibition
    Kasugai Tofu Memorial HallAichi
    Ended
  51. Apr 22 – May 25, 2026Est. from last year
    Odagawa River Crossing Koinobori
    Oda River (in front of Bitchu-Nishi Chamber of Commerce Yoshii Branch)Okayama
    Ended
  52. Apr 22 – May 5, 2026 (est.)Est. from last year
    Tonami Tulip Fair Koinobori
    Tonami Tulip ParkToyama
    Ended
  53. Late Apr – Late May, 2026Est. from last year
    Koi Koi Festival
    Hyogo Prefectural Flower CenterHyogo
    Ended
  54. Late Apr – Early May, 2026Est. from last year
    Hija River Koinobori Festa
    Kadena Welfare Center / Hija River EstuaryOkinawa
    Ended
  55. Late Apr – May 5, 2026Est. from last year
    Swim! Koinobori-kun
    Shichiri-mihama Beach (near Shishi-iwa Rock)Mie
    Ended
  56. Late Apr – Mid-May, 2026Est. from last year
    Kure Portopia Park Koinobori
    Kure Portopia ParkHiroshima
    Ended
  57. Late Apr – Mid-May, 2026Est. from last year
    Inawashiro Herb Garden Rapeseed & Koinobori
    Inawashiro Herb Garden (Hotel Listel Inawashiro)Fukushima
    Ended
  58. Apr 25 – May 10, 2026 (est.)
    Katsuo-nobori River Crossing
    Iyoki River at Sakaori Riverside ParkKochi
    Ended
  59. Apr 25 – May 7, 2026 (main event May 2)Est. from last year
    Ikiiki Yamada Koinobori Festival
    Tachibana Fureai ParkChiba
    Ended
  60. Apr 25 – Oct 18, 2026
    Japan Toy Museum Tango Seasonal Doll Exhibition
    Japan Toy Museum, Building 6Hyogo
    Ended
  61. Apr 25 – May 11, 2026Est. from last year
    Tokyo Midtown Koinobori Gallery
    Tokyo Midtown, Midtown GardenTokyo
    Ended
  62. Late Apr – Early May, 2026 (est.)
    Setagaya Ward Koinobori Display
    Setagaya Park, Hanegi Park, Jidaiyu-bori Park, and 4 other parksTokyo
    Ended
  63. Late Apr – Early May, 2026 (est.)
    Aoki River Koinobori
    Aoki River (near Tokiwa-higashi Elementary School / Takisanji Temple)Aichi
    Ended
  64. May 5, 2026 (koinobori displayed from late April) (est.)
    Koi Koi Koi Festival
    Takada Noseyama ParkFukuoka
    Ended
  65. Late Apr – Early May, 2026 (est.)
    Sadowara Kujira-nobori (Whale Streamers)
    Around Sadowara General Cultural Center, MiyazakiMiyazaki
    Ended
  66. Late Apr – Mid-May, 2026 (est.)Est. from last year
    Nasu Heartful Farm Rapeseed Flowers and Koinobori
    Nasu Heartful FarmTochigi
    Ended
  67. Apr 25 – May 17, 2026 (est.)Est. from last year
    Kurase River Koinobori
    Kurase River (Kurase district, Tanbara)Ehime
    Ended
  68. Apr 26 – May 11, 2026
    Ryujinkyo Koinobori Festival
    Ryujin Great Suspension BridgeIbaraki
    Ended
  69. Apr 26 – May 10, 2026 (main fest May 3–5) (est.)
    Kanna Koinobori Festival
    Kanna River riverbed (Koinobori Plaza area)Gunma
    Ended
  70. Apr 26 – May 5, 2026Est. from last year
    Hinogawa River Koinobori
    Hino River, Kure Bridge to Yoburi BridgeTottori
    Ended
  71. Apr 26 – May 6, 2026
    Terayama Park Koi Koi Festa
    Terayama ParkNiigata
    Ended
  72. Apr 27 – May 5, 2026
    Koinobori Festa 1000
    Akutagawa Sakura Tsutsumi ParkOsaka
    Ended
  73. Late Apr – May 6, 2026 (est.)
    Shirokita River Swimming Koinobori Campaign
    Shirokita River Promenade (near Gamo Bridge)Osaka
    Ended
  74. Late Apr – May 5, 2026Est. from last year
    Koi Koi Festival at Konouragawa River Park
    Sotome Konouragawa River ParkNagasaki
    Ended
  75. Apr 28 – May 6, 2026
    Sairen Koi-Koi Festival
    Tsukigatani Onsen Campground area, over Katsuura RiverTokushima
    Ended
  76. Apr 29 – May 5, 2026Est. from last year
    Kokubugawa Koinobori Festival
    Kokubugawa Flood Control Basin AreaChiba
    Ended
  77. Apr 29 – May 5, 2026 (main fest May 3) (est.)
    Takitokigawa Koinobori Festival
    Takitoki River embankment & Hoshu SquareShiga
    Ended
  78. Apr 29, 2026 (est.)
    Sendaigawa Koinobori Festival
    Sendaigawa Oji-machi Mirai ParkKagoshima
    Ended
  79. Apr 29 – May 5, 2026
    Numazu Koinobori Festival
    Kanogawa Green Space (left bank of Kano River, near Ayumi Bridge to Eitai Bridge)Shizuoka
    Ended
  80. Apr 29 – May 7, 2026 (est.)Est. from last year
    Himi Banya-gai Iwashi-nobori
    Himi Banya-gai Open TerraceToyama
    Ended
  81. Apr 29, 2026
    Kintaikyo Bridge Festival
    Kintaikyo Bridge, Nishiki RiverYamaguchi
    Ended

Starting in May23 events

  1. May 1 – May 5, 2026
    Fujimori Festival Kakeuma Horse Ritual
    Fujimori ShrineKyoto
    Ended
  2. May 1 – May 17, 2026
    Sobun Spring Koinobori Festival
    Mie Prefectural Culture Center (Sobun)Mie
    Ended
  3. May 1 – Jun 1, 2026
    Kanzo-Yashiki May Display Exhibition
    Former Kōno Family Residence (Kanzo-Yashiki)Yamanashi
    Ended
  4. May 2 – May 3, 2026
    Haneji Dam Koinobori Festival
    Haneji Dam Lakeside and SurroundingsOkinawa
    Ended
  5. May 3, 2026
    Kazo Citizens' Peace Festival - Jumbo Koinobori
    Tone River Riverside Green ParkSaitama
    Ended
  6. May 3 – May 5, 2026
    Hamamatsu Festival
    Nakatajima Sand Dunes (kite flying) / Downtown (float procession)Shizuoka
    Ended
  7. May 3 – May 5, 2026Est. from last year
    Sabagawa River Koinagashi
    Sabagawa River, near Nami Chuo BridgeYamaguchi
    Ended
  8. May 3 – May 5, 2026Est. from last year
    Niyodogawa River Paper Koinobori
    Namikawa Park (Niyodogawa Riverside)Kochi
    Ended
  9. May 3 & 5, 2026
    Kasukabe Giant Kite Festival
    Edogawa Riverbank (downstream of Hojubana Bridge)Saitama
    Ended
  10. May 3 – 6, 2026 (est.)
    Okura Dam Koinobori Display
    Okura DamMiyagi
    Ended
  11. May 4 – May 5, 2026
    Zama Giant Kite Festival
    Sagami River Ground (upstream of Sagamigaoka Bridge)Kanagawa
    Ended
  12. May 4, 2026 (est.)
    Asanogawa Koi-nagashi
    Asano River (Ume-no-hashi to Asanogawa Ohashi)Ishikawa
    Ended
  13. May 4 – May 5, 2026
    Sagami Giant Kite Festival
    Sagami River Shin-Iso District Riverbed (4 venues: Shindo, Katsusaka, Shimo-Isobe, Kami-Isobe)Kanagawa
    Ended
  14. May 4 – May 5, 2026Est. from last year
    Mizunami Citizens' Park Koinobori Festival
    Mizunami Citizens' ParkGifu
    Ended
  15. May 5, 2026
    Ikazaki Giant Kite Battle
    Oda River Riverbed (Ikazaki, Uchiko Town)Ehime
    Ended
  16. May 5, 2026
    Japan Fairy Tale Festival Jumbo Koinobori
    Kusu River Riverbed & Mishima ParkOita
    Ended
  17. May 5, 2026 (Children's Day)
    Kohokudai Koinobori Festival
    Kohokudai Central ParkChiba
    Ended
  18. May 5, 2026 (Tue, Holiday)
    Keihanna Memorial Park Tango no Sekku
    Keihanna Commemorative ParkKyoto
    Ended
  19. May 5, 2026
    Children's Festival 2026 in Suzu
    Nonoe General ParkIshikawa
    Ended
  20. Mid-May – Early Jun, 2026 (est.)
    Miyajidake Shrine Iris Festival
    Miyajidake ShrineFukuoka
    Ended
  21. Late May – Mid-Jun, 2026 (est.)Est. from last year
    Yokosuka Shobuen Iris Festival
    Yokosuka ShobuenKanagawa
    Ended
  22. May 30 – Jun 14, 2026 (est.)Est. from last year
    Katsushika Iris Festival
    Horikiri Shobuen and Mizumoto ParkTokyo
    Ended
  23. May 31, 2026 (Sun)
    Higashiomi Giant Kite Festival
    Echi River RiverbedShiga
    Ended

Starting in June1 events

  1. Jun 4 – Jun 5, 2026
    Yamashiro Onsen Shobu-yu (Iris Bath) Festival
    Yamashiro Onsen District (around Ko-soyu Bath)Ishikawa
    Ended

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