Uegusuku Castle, Castle ruins on Kumejima Island, Japan
Uegusuku Castle is a stone fortification on Kumejima Island built at about 310 meters elevation, the highest in the Okinawa region. It contains three distinct walled sections connected together, each serving specific purposes in the castle's layout.
The castle served as a residence for local leaders until the early 1500s when the Ryukyu Kingdom brought Kumejima Island under its control. This shift in power marked a turning point in how the site was used and governed.
The three sections of the castle show how local people built with stone and other materials from the island. Walking through them, you can see the way structures were arranged for daily life and defense.
A support road connects the castle grounds to a nearby military installation on an adjacent hill. Plan time to explore all three sections fully, and wear comfortable shoes since the terrain includes uneven stone surfaces and slopes.
From the uppermost enclosure, you can see several neighboring islands including Tonaki, Aguni, and Kerama. This panoramic view explains why the location was strategically valuable for monitoring the sea lanes around Okinawa.
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