
Gero Onsen Festival "Gero Onsen Fireworks Musical Summer Performance": Large blooms of fireworks color the Gero Onsen town
The confirmed fireworks launch dates for this festival are listed below.
Gero Onsen's biggest summer event, the Gero Onsen Festival runs August 1–4, 2026, with its headline fireworks — the Hanabi Musical Summer Performance — lighting the Hida riverbed around Gerobashi bridge on August 1, 20:00–20:30. Some 10,000 shells are launched, and spreading events across the four days helps disperse the roughly 41,500 visitors.
The summer performance sends up about 10,000 fireworks over the Hida river around and downstream of Gerobashi bridge, the standout event of a four-day festival that also features Gero-odori dancing and the Ryujin-hi fire festival. The venue is a six-minute walk from JR Gero Station, convenient from the hot-spring district. Around 1,000 municipal car-park spaces are free (some paid), but congestion is expected and public transport is the recommended route. Riverside spots fill early — secure yours about an hour before the 20:00 start.