When is the 'Early Summer Evening Cool' event at Daimaru Villa held?

It is held on Fridays, Saturdays, and Sundays during the period from May 22, 2026 (Friday) to June 14, 2026 (Sunday).

Why does Daimaru Villa offer free access to its garden?

The garden, which has been preserved for over 100 years, is opened to the public as a 'public asset' to be passed on to the future, and to share the efforts to protect fireflies with the local community.

What initiatives are undertaken during the free garden access?

Activities include releasing Kawanina, the food source for fireflies, and cleaning the pond. Additionally, a collaboration with Tsuboi Tokimasa Toy Fireworks Manufacturing offers an experience of traditional Japanese incense sparklers (for a fee).

How is the firefly viewing time restricted?

To protect the firefly habitat, the garden is completely darkened after 8 PM.

What kind of reactions have visitors given?

Over 300 people visited in the first three days, with comments such as 'I haven't seen fireflies in decades' and 'I didn't know such a garden existed in Nishikata City.'

161-Year-Old Historic Inn 'Daimaru Besso' Opens Firefly Garden to the Public

Published May 26, 2026 7:10 PM ・ Updated Jun 14, 2026 4:54 AM ・ 3 min read ・ Source: PR TIMES

Futsukaichi Onsen's 161-year-old inn, Daimaru Besso, is opening its 3,500-tsubo Japanese garden to the public for free from May 22 to June 14, to celebrate their firefly conservation efforts.

Daimaru Besso 'Early Summer Evening Cooling'

Daimaru Besso, a historic hot spring inn established 161 years ago, is opening its 3,500-tsubo Japanese garden for free on Fridays, Saturdays, and Sundays from May 22 (Fri) to June 14 (Sun).

### Firefly Conservation and Regional Contribution In response to declining firefly populations, Daimaru Besso staff have been working to maintain the environment by cleaning ponds and releasing 'kawanina' (the firefly's food source). As a result, fireflies have returned to the garden this year. The inn decided to open the garden to the public as a 'public asset' to share this beauty with the community.

### Collaboration with Traditional Fireworks They are also collaborating with 'Tsutsui Tokimasa Toy Fireworks Manufacturing,' one of the only two remaining domestic sparkler firework manufacturers in Japan. Visitors can enjoy a sparkler firework experience in the historic garden for a fee (1,100 yen per set).

### Event Details - Period: Fridays, Saturdays, and Sundays from May 22 to June 14, 2026. - Note: The garden is fully darkened after 8:00 PM to protect the firefly breeding environment.

Over 300 visitors attended during the first three days, receiving positive feedback from both locals and tourists.

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Source: PR TIMES
Category: Event

161-Year-Old Historic Inn 'Daimaru Besso' Opens Firefly Garden to the Public

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Daimaru Besso 'Early Summer Evening Cooling'

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