Here is a list of the firework festivals which will be held in Nagano Prefecture, such as Suwa Lake Firework Festival and others.
Nojiri Lake Firework Festival (Shinano-machi Town) … 7/27 (Sat) 19:30-, Around Nojiri Lake, 2,000 fireworks
Chikuma River Side Firework Festival (Iiyama City) … 8/14 (Wed) 19:00-, Chikuma River Upper Side, 2,000 fireworks
Chikuma River Firework Festival (Chikuma City) … 8/7 (Wed) 19:30-, Togura Kamiyamada Onsen, 10,000 fireworks
Shinshu Shinmachi Firework Festival (Nagano City) … 8/15 (Thu) 19:00-, Saigawa River, 4,000 fireworks
Shinshu Ueda Firework Festival (Ueda City) … 8/5 (Mon) 19:00-, 8,000 fireworks
Asashina Great Firework Festival (Saku City) … 8/14 (Wed) 19:00-, Chikuma River Asashina Sogo Ground, 2,000 fireworks
Saku Chikuma River Great Firework Festival (Saku City) … 8/15 (Thu) 17:00-, Chikuma River (Saku Ohashi Bridge – Nozawahashi Bridge), 3,000 fireworks
Susuki River Firework Festival (Matsumoto City) … 8/9 (Fri) 19:10-, Susuki River, 3,000 fireworks
Takase River Great Firework Festival (Ikeda-machi Town, Matsukawa Village) … 8/13 (Tue) 19:00-, Takase Ohashi Bridge, 2,000 fireworks
Azumino Firework Festival (Azumino City) … 8/14 (Wed) 19:00-, Around Gohoden Yusuichi, 4,000 fireworks
Suwa Lake Firework Festival (Suwa City) … 8/15 (Thu) 19:00-, Suwa City Lake Park, 40,000 fireworks
Okaya Firework Festival (Okaya City) … 8/16 (Fri) 19:45-, Okaya Lake Park Tamokuteki Hiroba Square, 2,000 fireworks
In Autumn … 10/23 (Sat) Kawanakajima Kosenjo Festival (Nagano City, 3,000 fireworks), 11/23 (Sat) Nagano Ebisu-koh Firework Festival (Nagano City, 10,000 fireworks)