Home All Articles Nanyo Ozu Event Experience Ozu Castle in its fresh spring greenery. Golden Week sightseeing and outing guide for May.
Experience Ozu Castle in its fresh spring greenery. Golden Week sightseeing and outing guide for May.
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Experience Ozu Castle in its fresh spring greenery. Golden Week sightseeing and outing guide for May.

04.11.2026
📅 Event Calendar (Ozu Area)
Golden Week Period
Ozu Castle Town Boat Tour
📅 Annually during Golden Week
Ozu Machi-no-Eki Asamoya
Fresh Greenery Tour
Late April - Mid-May
Tomisuyama Azalea Festival
📅 Annually, late April - mid-May
Tomisuyama Park
60,000 Azaleas in Bloom
Late May
Hiji River Opening
📅 Annually, late May (Sunday)
Midori no Kawaminato ~ Shiroshita Kawaminato
Water Activities
Late May to mid-June
Yanagisawa Firefly Festival & Iris Garden
📅 Annually, late May to mid-June
Yanagisawa Area, Ozu City
Summer Tradition
🎪
Market
Muchuu Marche(ムチュウマルシェ)
A small market held at Tomisuyama Observatory, a scenic spot in Ozu City. Enjoy gourmet food from kitchen cars along with panoramic views.
📅 Annually, late April - Golden Week 📍 Tomisuyama Observatory ↗ View Route on Google Maps
🌿
River Cruise / Spectacular View
Ozu Castle Town Boat Tour
A classic Golden Week experience: a river cruise down the beautiful Hiji River in a yakatabune (traditional houseboat). This approximately 2-hour course offers views of Ozu Castle and Garyu Sanso from the water.
📅 Annually during Golden Week 📍 Ozu Machi-no-Eki Asamoya ↗ View Route on Google Maps
🌺
Spectacular Scenery / Flowers
Tomisuyama Azalea Festival
A breathtaking festival of spectacular scenery held at Tomisuyama Park, known as one of Western Japan's leading azalea gardens, where over 63,000 azaleas bloom simultaneously. From the summit, you can also enjoy panoramic views of the Ozu Basin and the majestic Hiji River.
📅 Annually, late April - mid-May 📍 Tomisuyama Park 🌐 Visit Official Website ↗ View Route on Google Maps
🛶
Events / Experiences
Hiji River Opening
An event offering various river activities on the Hiji River before the cormorant fishing season begins. Enjoy canoe experiences, SUP, "Zoburi experience," and food trucks, with a relaxing "Ozu Plage" also available.
📅 Annually, late May (Sunday) 📍 Midori no Kawaminato ~ Shiroshita Kawaminato ↗ View Route on Google Maps
👘
Culture & Marche
Monpe Exhibition
An event themed around "Monpe," workwear symbolizing the culture of wealthy farmers and agricultural villages in Ozu. Enjoy sales of handmade goods, agricultural products, and food and drinks.
📅 Annually, late May to early June 📍 Within Ozu City ↗ View Route on Google Maps
Fireflies & Scenic View
Yanagisawa Firefly Festival & Iris Garden
A fantastic seasonal tradition where natural Genji fireflies flutter along the river in the Yanagisawa area. At the same time, purple and white irises (hanashobu) bloom beautifully in competition.
📅 Annually, late May to mid-June 📍 Yanagisawa Area, Ozu City ↗ View Route on Google Maps
📝 Information is current as of writing. Dates, contents, and fees are subject to change. Please check the official website before visiting.

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