Step into a luminous green pathway – Japan’s 6 top “early summer fantasy firefly-viewing spots”

By reporter Tsai Wen-jun / Comprehensive report

As summer arrives, the forest is once again lit up with tiny dots of green light fluttering through the trees. In Japan’s summer, at many locations with clean water sources, you can enjoy the magical sight of fireflies dancing in the air. Rakuten Travel has just announced six dreamy firefly-viewing spots that are still accessible before July, giving travelers a unique nighttime experience in Japan.

▲ A romantic scene of glowing fireflies at Togabuchi in Higashikawa Town. (Photo / Provided by Rakuten Travel, the same below)

1. Miyagi Prefecture – Togabuchi, Higashikawa Town
The Togabuchi area is home to the natural habitat of Genji fireflies and has been designated as a national nature preserve. When visitors come here, they can witness swarms of Genji fireflies lighting up the night, their reflections shimmering on the clear streams and the waters of the Togabuchi River, creating a magical show of thousands of flickering lights.

Observation period: Late June to early July, around 9:00 PM (For detailed firefly viewing information, please refer to the official website of Tome City)
Observation location: Togabuchi area, Higashitomi Town, Tome City, Miyagi Prefecture

▲ In Shinshu Tatsuno Town, you might see tens of thousands of fireflies dancing in a single day.

2. Nagano Prefecture – Shinshu Tatsuno Town
At Japan’s foremost firefly attraction, the “Firefly Folk Song Park,” when firefly numbers are high, you might spot up to 10,000 Genji fireflies dotting the night sky in a single day, creating a scene so romantic and otherworldly it feels like being inside a galaxy. During the Tatsuno Firefly Festival in Shinshu, the area also hosts various traditional stalls, dance performances, and cultural activities.

Observation period: Early June onward
Observation location: Tatsuno Town, Kamikita District, Nagano Prefecture

▲ Viewing fireflies in pristine mountain forests is the most beautiful sight along Asuka River.

3. Gifu Prefecture – Asuka River
In the Yokokura area of Kuwazō in Ibigawa Town, Gifu Prefecture, and along the Asuka River, you can witness a fantastical green-light pathway. Poetic fireflies drift across the grass carried by the summer breeze, leaving viewers entranced. Other great spots in the northern region include the Hanbara River, Katsura River, near Kamigamo Shrine, and the rural areas along the Ibi River in Ueno.

Observation location: Kannin Shinbara, Ibigawa Town, Ibi District, Gifu Prefecture

▲ A 2-kilometer-long pathway of tiny firefly stars.

4. Aichi Prefecture – Tori River Fireflies
Along the banks of the “Tori River Firefly Village Spring,” listed among Japan’s “Top 100 Famous Waters,” a 2-kilometer stretch is home to numerous wild Genji fireflies. At peak times, about 500 to 1,400 fireflies can be seen dancing across the sky.

Observation period: Late May to late June, around 8:00–9:00 PM
Observation location: “Tori River Firefly Village,” Tori River Town, Okazaki City, Aichi Prefecture

▲ A spectacular burst of fireflies at Uchi-no Shrine creates an enchanting nighttime scene.

5. Hyogo Prefecture – Uchi-no Shrine
From June to July, the Heike fireflies around the torii gate of Uchi-no Shrine in Tamba City, Hyogo Prefecture, emit a magical glow all around. This captivating spectacle attracts many tourists to join Hyogo Prefecture’s “Mystic Water Journey” guided Heike firefly viewing tours, where you can enjoy up to 40 minutes of stunning bioluminescent views – ranked No. 1 on the must-visit list.

Observation period: June to July
Observation location: Uchi-no Shrine, 13 Mihara, Himurocho, Tamba City, Hyogo Prefecture

▲ Nara offers a dreamlike painting of nocturnal firefly beauty.

6. Nara Prefecture – Udacity
In Uda City, Nara Prefecture, small lantern-like lights can be seen throughout the area, especially in the Muko River basin where streetlights are sparse, creating a spectacular scene of dancing fireflies that looks like a painting. Other great spots to enjoy the fireflies include the areas around Aki Shrine in Ōuda, along the Uda River, and the upper reaches of the Yoshino River in Tonomine.

Observation period: Mid-June to early July
Observation location: Uda City, Nara Prefecture