Guide
Yumihari-dake Observatory is a historic viewpoint located on the slopes of Mt. Yumihari in Sasebo City, Nagasaki Prefecture. It has been a beloved destination since the Taisho era for those wishing to admire the stunning scenery of the Kujukushima islands. Due to its high elevation, visitors are treated to a magnificent panorama featuring the many islands of Kujukushima, the intricate beauty of the rias coastline, and the harmony of blue seas and lush green islands. The viewpoint offers diverse perspectives: the Goto Sea to the west, the deep waters of Sasebo Port to the south, and the bustling Sasebo cityscape to the east.
This location holds a long history as a place to appreciate the Kujukushima landscape, dating back to the Taisho era. This site has long been cherished by people drawn to the sublime beauty of nature, and today it remains a precious destination where visitors can feel a profound connection with the natural world. It is a scenic spot of significant cultural value that has been loved across generations alongside the beautiful natural environment of Kujukushima.
The greatest draw is the breathtaking view of the Kujukushima islands. The sight of countless islands scattered across the sea surface and the complex coastline is truly overwhelming. Beyond the long slope leading to the second observatory, even more spectacular views await. As night falls, the scenery transforms completely. The lights from the U.S. Naval Base, shipyards, and the city glow in warm orange hues, creating an enchanting nightscape. The contrast between the blue sea by day and the glowing lights by night is a signature experience of this location.
The charm of Yumihari-dake Observatory lies in its changing expressions throughout the seasons. In spring (early April to early May), colorful azaleas bloom in full glory near the observatory, creating a vibrant landscape. The sunset period is highly recommended; watching the sun dip into the sea and witnessing the