31st Kosai Oiden Festival (Including On-Lake Fireworks Display)
Fireworks

31st Kosai Oiden Festival (Including On-Lake Fireworks Display)

Japanese name:第31回湖西おいでん祭(湖上花火大会含む)

📅 Sat, Sep 19, 2026

📍 Kosai, Shizuoka

About this event

The "31st Kosai Oiden Festival," a summer tradition of Kosai City, Shizuoka Prefecture, will be held at Boat Race Hamanako. This event is held concurrently with the Kosai On-Lake Fireworks Display, Firefighting Festa, and Environment Fair, featuring fireworks that color the lake surface and night sky, as well as a demonstration of Enshu Arai Tezutsu handheld fireworks. On the stage, singing and dance performances by civic groups will take place, and there are plenty of contents for both children and adults to enjoy, such as food stalls, kitchen cars (food trucks), sports experiences, and working vehicle exhibitions. It will be a memorable day marking the finale of Kosai City's summer.

Official website (Japanese) ↗

Venue

Hamanako Boat Race Opposite Shore Parking Lot

Nakanogo, Arai-cho, Kosai, Shizuoka 431-0301

Open in Google Maps ↗