The Hakone-en Summer Night Festa 2025 will be held over two days, Saturday, August 2 and Sunday, August 3, 2025, at Hakone-en.
Set against the majestic natural backdrop of Lake Ashi and the surrounding mountains, approximately 2,500 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
Advance Reservations
For Seibu Prince Global Rewards (SEIBU PRINCE CLUB) Members
General Sales
Accommodation Plan Information
■Fireworks Viewing Plan from the Summit via Hakone Komagatake Ropeway
Enjoy a magical summer evening watching approximately 2,500 fireworks launched from the lakeside—viewed from the summit of Mt. Komagatake.
This special accommodation plan includes round-trip tickets for the Hakone Komagatake Ropeway, departing from Hakone-en. From the summit at an altitude of 1,356 meters, guests can experience breathtaking panoramic views of fireworks lighting up both the night sky and the surface of Lake Ashi.
We offer two types of plans to suit your preferences:
Notes:
Dinner & Breakfast Included
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
Breakfast Included
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
■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 2,500 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:
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
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
Breakfast-Included
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
Room-Only Plan
For General : Reservations open on Monday, June 9 at 12:00 NOON (JST)
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