Witness the most romantic lights of summer nights—Japan’s 4 Must-See Firefly Festivals!

When it comes to summer scenery in Japan, besides fireworks festivals and yukata strolls, there is a more gentle and fleeting "limited edition landscape": the nights when fireflies dance.

Every year from May to June, Japan welcomes the firefly season. In clear streams or tranquil valleys, the flickering glow of fireflies not only amazes children but also rekindles adults' inner romance. Such scenes only appear in pristine natural environments and are thus regarded as "one of Japan's early summer miracles."

This time, we have curated four firefly festivals in Japan worth including in your itinerary, from mountain valleys to rivers, from family activities to local exclusive experiences, all providing memorable summer night experiences that can move your heart and leave lasting memories!

Kurokawa Valley Firefly Festival | Stars Flickering Between Mountain Valleys, Quietly Blooming

Kurokawa Valley is a pristine mountain stream valley that attracts a large number of fireflies due to its excellent environment. Every early summer, a grand "Kurokawa Valley Firefly Festival" is held here, featuring local food markets, mobile food trucks, exciting live music performances, and luxurious raffles, making it a fun experience for both adults and children. Despite the crowds, the lively atmosphere and the glow of fireflies across the valley complement each other, making it an excellent family outing.

Mookawa Firefly Festival | Watching Fireflies by Boat, An Evening Where Local Culture and Nature Intertwine

This event perfectly combines ecological nature and regional culture. You can enjoy watching numerous fireflies fluttering along both sides of the Mother River, and also have the chance to ride the unique "Kōresu boat" to experience the enchanting glow of fireflies up close from the water. On the first night of the festival, there will be a night market offering local delicacies, creating a strong rural atmosphere, making it a charming summer night festival. Children can chase fireflies, while adults can capture stunning riverside night views, ensuring satisfaction for the whole family.

Nagusa Firefly Festival | Dreamlike Moments Visible Even in the Kanto Region

Want to enjoy fireflies in the Kanto area? Consider visiting Nagusa in Sano City, Tochigi Prefecture. This area is not only a famous firefly viewing spot but also has a local community center that provides guidance on the best viewing locations, making it easy to find the perfect spot. During the festival, local stalls sell fresh produce and shaved ice, perfect for family participation. Nearby, Nagusa River and shrines can be included in a leisurely half-day trip, experiencing the harmony of nature and culture.

Fukui Firefly Festival | The Tranquil Flow of Light in the Hokuriku Region

Fukui Firefly Festival is located in the natural environment of Niigata Prefecture and is one of the areas where fireflies appear most densely. Although it is a festival event, there are various activities such as firefly tea houses, Kagura dance performances, children's zones, and sake tasting, providing visitors with a rich experience. When visiting here, be sure to enjoy the unique charm of watching fireflies in a good natural environment, feeling the tranquility and surprises brought by nature.

Put down your phone and embark on a night trip to converse with the lights! Fireflies are rare and do not wait for people. They only appear for a few weeks, in the most suitable humidity and darkness. Being able to hold your child's hand on a summer night, watching swarms of flashing lights dart through the grass, is a moving experience that photos cannot capture and the most beautiful travel memory.

If you happen to plan a trip to Japan in June, don't forget to check if the local "firefly festival" is happening during this romantic and natural night, making it a memorable experience worth collecting.