About 5,000 fireworks: sound echoing through the mountains and reflected fireworks on the lake
About this spot
The grand finale of Ashinoko Summer Festival Week, marking the end of Hakone's summer with a spectacular fireworks display. The approximately 5,000 fireworks launched from the lake create an impressive spectacle, with sound echoing through the surrounding mountains that reverberates through your core. The beauty of the "reflected fireworks" mirrored in the quiet lake surface is a unique charm of this venue. Spend an unforgettable summer night in this special location surrounded by mountains and lake.
Fireworks details
Name: 芦ノ湖夏まつりウィーク 湖水祭花火大会
Date & time: 7/31 (Fri) 20:00–20:30
Venue: 箱根町・芦ノ湖上(元箱根)
Shells: approx. 5,000
Tips
In case of severe weather, the show may be cancelled or postponed. Check the official announcements from Hakone Town or the event on the day. The area around the venue will be very crowded on the day; early arrival and securing a spot are recommended. It gets cold due to the high altitude, so bring a jacket.
Best time to visit
Starting at 8:00 p.m. If you position yourself where you can see the lake surface, you can also enjoy the reflected fireworks.
Access & map
Kanagawa Prefecture Hakone Town Lake Ashinoko (Motohakone)
Model course featuring this spot

2026 Ashinoko Summer Festival Week Lake Water Festival Fireworks Show Full Day Course
Kanagawa
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