Takashima, Natural monument island in Ōita, Japan
Takashima rises from the Hayasui-no-Seto strait waters, stretching across 80 hectares within the Setonaikai National Park, 3.5 kilometers from Sekizaki peninsula.
The island transformed from a temporary settlement for displaced samurai into a military fortification in 1920, featuring gun batteries and ammunition depots across its terrain.
The black-tailed gulls, locally named Umineko meaning Sea Cat, establish their nesting grounds on the island from March to August, forming colonies of over 6000 birds.
The crystalline schist rock walls and beaches of Takashima provide observation points for viewing the seasonal bird migrations and maritime activities.
The island marks the northern limit for natural Birou trees and the southern boundary for black-tailed gull nesting sites in Japan.
Location: Oita
GPS coordinates: 33.27631,131.94819
Latest update: May 17, 2025 10:36
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