Tenkaiho Observatory

Tenkaiho Observatory (展海峰) in Sasebo is known for offering one of the most spectacular views of the Kujukushima, also known as the 99 Islands. Set atop a gentle hill, this scenic spot treats visitors to sweeping vistas of countless green islands scattered across the blue sea. It’s a favorite location for photographers, especially at sunset or during cherry blossom season when the landscape turns even more magical.

With easy access by car or local bus, Tenkaiho Observatory is a must-visit for nature lovers and sightseers. The area around the observatory also features flower fields, walking paths, and a small café, making it an ideal place to relax and enjoy the peaceful surroundings. Whether you're snapping postcard-worthy photos or simply soaking in the scenery, this spot delivers unforgettable views of Sasebo's natural beauty.