Apr 20 – May 10, 2026 (est.)Est. from last year
Iogawa River (around Mt. Kouma, Kawashima)
Yoshinogawa, TokushimaShikoku
Carp streamers bridging Mt. Kouma and the Iogawa River
A late-April to early-May tradition along the Iogawa River in Kawashima, Yoshinogawa City, Tokushima. Wires are stretched from Mt. Kouma across to the opposite bank of the Iogawa River, and colorful carp streamers are hung above the water — a hometown custom captured by many photographers against the backdrop of rice paddies just before planting season. The Iogawa is a small tributary of the Yoshino River system, but the sight of carp streamers flying above its calm flow, with the Shikoku mountain range behind, epitomizes Tokushima's rural spring. The project is run by local volunteers, and the full display peaks around Children's Day.
*The dates shown are estimates based on the previous year.
Information on this page may contain errors or become outdated. Please always check the official website for the latest details before visiting.

Kamikatsu, Katsuura District, Tokushima~20km
800 carp streamers stretching across the Katsuura River

Kamo-cho, Anan, Tokushima~27km
300 koinobori swimming above the clear Naka River

Manno Town, Nakatado, Kagawa~43km
Koinobori with flower fields at a national park

Nishiu, Yamashiro-cho, Miyoshi, Tokushima~50km
Koinobori flying above one of Japan's three great secret valleys
Arida, Wakayama~72km
150 koinobori gracefully swimming over the Aridagawa riverside

Yata, Mabi-cho, Kurashiki, Okayama~86km
200 koinobori swimming in the sky amid lush forest scenery
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