Speaking of Japanese Summer, I think of fireworks. In Yamanashi, a lot of Firework festivals are held every year. I would like to introduce to some of them.

■ Yamanakako Hōkosai 山中湖報湖祭 (Firework festival of Lake Yamanaka) August 1 (19:30～21:00)
・Firework festival of Lake Yamanaka on YouTube

■ Lake Kawaguchi on-the-lake festival 河口湖湖上祭 (Kawaguchiko-kojōsai) August 4 (20:00～20:30) &5 (19:30～21:00)
・Lake Kawaguchi on-the-lake festival 河口湖湖上祭　on YouTube
EDIT :
・Lake Kawaguchiko's "Kojōsai" fireworks festival (FUJIKAWAGUCHIKO Sightseeing information site)
・Access Guide (FUJIKAWAGUCHIKO Sightseeing information site)

■ Shinmei no Hanabi Taikai 神明の花火大会 (Firework festival of Shinmei) August 7 (19:30～21:00)
・神明の花火大会(2008) HD1280x720p版 by AQUA Geo Graphic on YouTube
EDIT :
・神明の花火大会　Shinmei-no-hanabi-taikai　The Fireworks of Shinmei on '日本吉 nippon-kichi'

■ Nanbu no Himatsuri 南部の火祭り (Firework festival of Nanbu) August 15 (20:00~21:00)
・Firework festival of Nanbu on YouTube

■ Isawa Onsen Hanabi Taikai 石和温泉花火大会 (Isawa Hot Springs Firework festival) August 21 (19:30~21:30)
・Isawa Hot Springs Firework festival on YouTube

■View FIREWORK FESTIVALS 花火大会 on Google My Maps