Hakone-en Summer Fireworks Festival 2026

The Hakone-en Summer Night Festa 2026 will be held over two days, Sunday, August 2 and Monday, August 3, 2026, at Hakone-en.

Set against the majestic natural backdrop of Lake Ashi and the surrounding mountains, approximately 3,000 fireworks will light up the night sky and reflect beautifully on the lake surface each evening from Hakone-en Bay.

To coincide with the fireworks festival, The Prince Hakone Lake Ashinoko will offer exclusive accommodation plans.
These plans will be available for advance reservation based on membership status through Seibu Prince Global Rewards (SEIBU PRINCE CLUB).

For details on advance booking and accommodation plans, please see the information below.

Event Details

Dates: Sunday, August 2 and Monday, August 3, 2026
Fireworks Launch Time: From 8:00 P.M. each night
※If you plan to dine at a hotel restaurant, please make a reservation for 5:30 P.M.
Number of Fireworks: Approximately 3,000 per night
Launch Location: Hakone-en Bay
Note: Event will be canceled in case of severe weather

Advance Reservations

For Seibu Prince Global Rewards (SEIBU PRINCE CLUB) Members

Diamond, Platinum, and Gold Members : Saturday, June 6, from 12:00 NOON (JST)
Blue Members : Monday, June 8, from 12:00 NOON (JST)

General Sales

Wednesday, June 10, from 12:00 NOON (JST)

Accommodation Plan Information

■Fireworks Viewing Plan with Exclusive Lakeside Seating for Hotel Guests

Enjoy a relaxing summer evening watching fireworks from guest-only seating along the lakeshore.

This special accommodation plan offers hotel guests exclusive access to a reserved viewing area (non-reserved seating) set up along the shores of Lake Ashi, allowing you to enjoy approximately 3,000 fireworks without the crowds.
All plans include one drink and a light snack, so you can sit back and enjoy the vibrant night sky while feeling the cool evening breeze by the lake.

We offer three types of meal plans to suit your stay:

Dinner & Breakfast Included
Breakfast Only
No Meals Included

For plans including dinner, you can choose from several restaurants within the hotel, each offering different course menus.
Select the plan that best matches your travel style and schedule.

Dinner & Breakfast Included