The Kasaoka Okayama are located in the Seto Inland Sea , in southwestern Okayama Prefecture, near the border with Hiroshima Prefecture . In the fall of 2026, we will be holding five monitor tours that allow visitors to enjoy island walks, trekking, seafood, history, and traditional culture.
2026.09.07-
Table of Contents
- 1. Kitagi Island and Mushima Island| Autumn Walking Tour of the Kasaoka Islands (2 Islands) ★ History and Culture
- 2. Kitagi Island& Takashima| Kasaoka Islands - A Two-Island Tour of Gourmet Food and Island Exploration ~Sea Breeze Walk and Seafood Feast Tour~ ★Gourmet
- 3. Shiraishi Island| A half-day walking tour of Shiraishi Island, experiencing its "traditions" with a local guide ★History and Culture
- 4. Kitagi Island and Mushima Island| A Two-Island Tour of the Kasaoka Islands: Gourmet Food and Island Exploration ~ Kitagi Island's Kitaki Oysters and Mushima Island Lighthouse ~ ★Gourmet
- 5. Takashima& Shiraishi Island| Montbell supervised Kasaoka Islands 2-Island Trekking Tour ★ Trekking
- [Inquiries and applications]
The Kasaoka Islands, floating in the Seto Inland Sea , are full of diverse histories, cultures, and rich culinary delights, with each island boasting its own unique charm.
In the fall of 2026 (October-November), we will be offering five themed special tours that you can choose from to suit your preferred style.
• Active "Trekking & Island Walking"
- Enjoy seasonal delicacies with a "Seafood & Gourmet Tour"
- Experience the charm of the island through "Traditional Culture and UNESCO Intangible Cultural Heritage."
From casual day trips to walks where you can enjoy breathtaking scenery while feeling the autumn breeze, we offer a variety of attractive programs.
Why not embark on a trip this autumn to discover the unique charms of the Kasaoka Islands?
| date | Tour details |
| ① 10/11 (Sun) | [Kitagi Island/ Mushima Island] Stone-cutting song and portable shrine parade walking tour (approx. 3.1km) 10,000 yen Details page ① |
| ② October 17th (Sat) | [Takashima& Kitagi Island] Two-Island Tour: Gourmet Food & Island Exploration (Approx. 2.2km - Approx. 3.2km) 13,000 yen Details Page ② |
| ③ October 24th (Sat) | [Shiraishi Island] Walking Tour with a Local Guide: A Complete "Traditional" Experience Tour of Shiraishi Island(Approx. 3.5km) ¥9,000 Details Page ③ |
| ④ 11/14 (Sat) | [Kitagi Island& Mushima Island] Two-Island Tour: Gourmet Food & Island Stroll (Approx. 2km to 2.6km) ¥12,500 Details Page ④ |
| ⑤ 11/28 (Sat) | [Takashima& Shiraishi Island] Montbell supervised Kasaoka Islands two-island trekking tour (approx. 5km) 12,500 yen Details page ⑤ |
1. Kitagi Island and Mushima Island| Autumn Walking Tour of the Kasaoka Islands (2 Islands) ★ History and Culture
On Kitagi Island, a designated Japan Heritage site, we will visit the "Stone Quarry Valley Observation Deck," which offers a dynamic landscape, and enjoy a performance of the traditional "Stone Quarry Song."
Furthermore, in Mushima Island, you can experience the thrilling "Mawashi Mikoshi" (spinning portable shrine) procession held at the Otori Shrine's Autumn Grand Festival up close. This is a special tour available only on this day.
• Date: October 11, 2026 (Sunday)
Meeting place: Fushikoshi Port; Walking distance on the island: Approximately 3.1 km
• Tour price: 10,000 yen (tax included)
Application deadline: Sunday, October 4, 2026, 17:00
• Capacity: 20 people
2. Kitagi Island& Takashima| Kasaoka Islands - A Two-Island Tour of Gourmet Food and Island Exploration ~Sea Breeze Walk and Seafood Feast Tour~ ★Gourmet
We will sample Kitagi Island's brand oysters, "Kitaki Oysters," which are free of any unpleasant odor or taste and are packed with rich umami flavor.
In Takashima, enjoy a luxurious seafood lunch at "Casa Takeda." This gourmet tour also includes a refreshing walk to "Koharami Stone," which offers spectacular views.
• Date: Saturday, October 17, 2026
Meeting place: Fushikoshi Port; Walking distance on the island: Approximately 3.2 km
• Tour price: 13,000 yen (tax included)
Application deadline: Saturday, October 10, 2026, 17:00
• Capacity: 20 people
3. Shiraishi Island| A half-day walking tour of Shiraishi Island, experiencing its "traditions" with a local guide ★History and Culture
This is a half-day tour for adults, exploring Shiraishi Island with a local guide.
Enjoy a traditional weaving experience, a stroll through the famous Kairyuji Temple, and a sweet treat at the island cafe "Kua."
The tour concludes with a performance of the UNESCO Intangible Cultural Heritage "Shiraishi Odori" on the beach at sunset. You can even try dancing yourself.
• Date: Saturday, October 24, 2026
Meeting place: Fushikoshi Port; Walking distance on the island: Approximately 3.5 km
• Tour price: 9,000 yen (tax included)
Application deadline: Saturday, October 17, 2026, 17:00
• Capacity: 18 people
4. Kitagi Island and Mushima Island| A Two-Island Tour of the Kasaoka Islands: Gourmet Food and Island Exploration ~ Kitagi Island's Kitaki Oysters and Mushima Island Lighthouse ~ ★Gourmet
Enjoy a tour-exclusive oyster-themed lunch featuring "Kitaki Oyster," a premium oyster brand that has won awards at international food exhibitions.
On Mushima Island , you can enjoy craft beer at a brewery overlooking the sea and visit Mushima Island Lighthouse, the oldest white lighthouse in Okayama Prefecture . This tour allows you to fully enjoy autumn flavors and drinks, as well as a leisurely stroll around the island.
• Date: Saturday, November 14, 2026
Meeting place: Fushikoshi Port; Walking distance on the island: Approximately 2.6 km
• Tour price: 12,500 yen (tax included)
Application deadline: November 7, 2026 (Saturday) 17:00
• Capacity: 20 people
5. Takashima& Shiraishi Island| Montbell supervised Kasaoka Islands 2-Island Trekking Tour ★ Trekking
This trekking course was supervised by the outdoor brand "Montbell".
Enjoy the spectacular views from Takashima , where legends of Emperor Jimmu remain, and from the " Takayama Observatory" on Shiraishi Island .
After enjoying a seafood lunch, experience the UNESCO Intangible Cultural Heritage " Shiraishi Odori" on the beach at sunset. This tour is packed with highlights, allowing you to fully enjoy the nature, food, and traditional culture of the Kasaoka Islands in one day.
• Date: Saturday, November 28, 2026
・Meeting place: Sumiyoshi Port *Please note that the meeting place is different from other courses.
• Walking distance on the island: Approximately 5km
• Tour price: 12,500 yen (tax included)
Application deadline: November 21, 2026 (Saturday) 17:00
• Capacity: 20 people
[Inquiries and applications]
Kasaoka City Tourism Association (General Incorporated Association)
Phone: 0865-62-6622
Email: info@kasaoka-kankou.jp
Opening hours: 9:00 AM - 5:00 PM (Open daily except during the New Year holidays)
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