Gamagori Festival Summer Fireworks Finished Major festival
蒲郡まつり納涼花火大会 — Gamagori, Aichi (Tokai)
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- Date
- Sat, Jul 25 – Sun, Jul 26, 2026 (The 2026 edition has concluded — 2027 dates are not yet announced)
- Venue
- Takeshima pier, Gamagori (竹島ふ頭・蒲郡港周辺)
- Scale
- ~5,000 fireworks · ~100K visitors
- Tickets
- Limited paid special viewing seats (support/sponsor area) available on first-come basis
- Official site
- gamagorimatsuri.com
Gamagori's summer festival fireworks are built around one object: the Pacific coast's largest shell, a full sanshakudama (90cm) that climbs 600 meters and blooms 650 meters wide over Mikawa Bay, its light doubling on the water around Takeshima island's shrine causeway. The rest of the 5,000-shell program is a warm-up for those few seconds.
Background
The Gamagori Festival has closed with bay fireworks since the postwar years, and the city made the sanshakudama its trademark — an unusually large shell for a mid-sized festival, possible only because it launches over open sea.
Getting there
The venue is the Takeshima pier waterfront, under 10 minutes on foot from JR Gamagori Station (Tokaido Line, about 40 minutes from Nagoya).
Tips
- The sanshakudama fires late in the program — the crowd audibly counts it down; do not leave early.
- Its burst is so wide that the best 'seats' are actually mid-distance; right under the launch you can't fit it in your vision (or camera).
- Station-to-venue is the shortest walk of any major Japanese fireworks event, which makes same-evening return to Nagoya easy.
- Pair it with a daytime walk across the causeway to Takeshima's island shrine.
Frequently asked questions
- How crowded does Gamagori Festival Summer Fireworks get?
- About 100,000 people come to Gamagori, Aichi for it. Trains and roads out of the venue are at their worst in the 30 minutes after the finale — waiting it out is usually faster than joining the crush.
Last verified against the official source: Fri, July 17, 2026