
Fiddler Crab & Sea Firefly Observation Event
ハクセンシオマネキ・ウミホタルの観察会
Experience the magic of Amakusa, Kumamoto! Watch beautiful Fiddler Crabs by day and glowing Sea Fireflies by night.
Experience the rich natural environment of Kamiamakusa, Kumamoto, through our special nature observation event: the "Fiddler Crab & Sea Firefly Observation Event." This event is divided into two parts, allowing you to enjoy two completely different sides of nature.
Highlights
About Fiddler Crab & Sea Firefly Observation Event
- Experience Nature's Mystery: A rare chance to learn deeply about creature ecology with expert guidance.
- Enjoy the Night Sea: The blue glow of the Sea Fireflies is a beautiful, lifelong memory.
- Great for Families: Highly recommended for children as a form of nature education.
- Prepare in Advance: Don't forget to bring clothes that can get wet and a flashlight for the night session.
Schedule
August 1, 2026
August 29, 2026
Weather forecast
Mon
8/3
35°/28°
76%
Tue
8/4
33°/28°
98%
Wed
8/5
35°/28°
35%
Thu
8/6
36°/30°
23%
Fri
8/7
35°/29°
47%
Sat
8/8
33°/29°
47%
Sun
8/9
34°/27°
30%
Plan your stay & activities
Tips
Advance reservation via phone is required.
Fees
500 JPY for Adults, 150 JPY for children under 3.
Fiddler Crab observation
Children of elementary school age or younger must be accompanied by a guardian.
Sea Firefly observation
Students of high school age or younger must be accompanied by a guardian.
Please wear clothes and shoes that can get wet.
A flashlight is required for the nighttime activity.
Check the official website for possible cancellations due to weather.
Before & After the Event
Umi no Hi Iruka Festa 2026
Umi no Hi Iruka Festa 2026 at Michi-no-Eki Amakusa Iruka Center features a local market, bubble play, and bingo for a perfect seaside experience in Amakusa.
Held in the same area in 2026-07
61st Amakusa Hondo Haiya Festival
Experience the passion of the Amakusa Hondo Haiya Festival! Let the powerful rhythms and traditional dances move your soul. Don't miss this quintessential Japanese summer experience!
Held in the same area in 2026-07
Onda Matsuri Festival
The Onda Matsuri is a magical ritual where white-clad processions move through the lush green fields of Aso, offering a glimpse into Japan's timeless rural traditions.
Held in the same area in 2026-07

