Goryōkaku is a star fort in the Japanese city of Hakodate on the island of Hokkaido. It was the main fortress of the short-lived Republic of Ezo. (Wikipedia)
Hakodate is a 334 m high mountain in Hokkaido that is particularly famous for its nighttime views. It is located near the center of Hakodate and should definitely be explored when visiting the city, especially on clear days and in clear At night, the view from the mountain is spectacular and, along with the view from Inasa Mountain in Nagasaki and Rokko Mountain in Kobe, is one of the three most beautiful views at night in Japan. The summit can be reached by cable car, bus or by car. The cable car is the most common and fastest way to tour the mountain. There is an observation deck, souvenir shops, a café and a restaurant there.