Overview
Mount Sekizen rises 369.8 meters above Iwagi Island, one of the Geiyo Islands scattered across Japan's Seto Inland Sea. Its gently curving, parabola-shaped silhouette has earned it the nickname 「Iwagi Fuji」, and it serves as the beloved emblem of this small island. A viewing platform crowns the summit, offering sweeping views over the island-dotted sea. In spring the slopes are famous for their cherry blossoms, tinting the whole hillside a soft pink.
Highlights
- ●The springtime cherry avenue known as the Three Thousand Cherry Trees
- ●A graceful parabolic profile earning the name 「Iwagi Fuji」
- ●Views of the Seto Inland Sea and Geiyo Islands from the summit platform
- ●The open panorama unique to a sea-surrounded island peak
History
Iwagi Island has long sat astride the maritime routes of the Seto Inland Sea, and Mount Sekizen served as a landmark that sailors looked up to as they passed. In the modern era a road opened to the summit and the area was developed as a scenic viewpoint. As the cherry trees planted on its slopes matured, the mountain grew into a celebrated blossom spot known as the 「Three Thousand Cherry Trees of Sekizen」, and today it is the island's signature scenic attraction.
Access
Iwagi Island, part of Kamijima Town, is reached by ferry or passenger boat from ports on the mainland and Shikoku. Located near 34.25 degrees north and 133.14 degrees east, Mount Sekizen rises at the island's center, with a road and walking path leading from the harbor to the summit platform. Because sailing schedules and trail conditions vary with the season and weather, check the latest timetables with Kamijima Town or the ferry operators before you travel.
Best season
Spring, when the cherry blossoms come into full bloom, is the finest time to visit. Each year the avenue known as the Three Thousand Cherry Trees blankets the hillside, and the contrast of the pink canopy below with the blue sea beyond is unforgettable. Early summer greenery and clear autumn air also make for pleasant Inland Sea views, with island silhouettes floating at dusk. As the blossom season draws crowds, an early-morning visit is recommended.
Map
34.2567, 133.1472 · Wikidata
Suggested itinerary
- 1Arrive at Iwagi Island's harbor by ferry and take in the island air
- 2Head to the Mount Sekizen summit platform by road or footpath
- 3Take in the Inland Sea, and the cherry blossoms in spring, from the top
- 4After descending, stroll the island village and harbor while awaiting your boat
Did you know?
💡 Nicknamed 「Iwagi Fuji」 for its graceful ridgeline, Mount Sekizen is not especially tall at 369.8 meters, yet its charm lies in the open, sea-girt panorama that only an island peak can offer. The name Sekizen is said to derive from a phrase meaning 「to accumulate good deeds」, a fitting title for the gentle character of the island.
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