- At Okawara Plateau, approximately 30,000 hydrangeas bloom in full glory, and in early July, the "Hydrangea Festival" is held. - During the festival, visitors can enjoy a variety of events such as Awa Odori performances by local groups, nature observation tours, wind turbine tours, and food & drink offerings. - Located at an altitude of about 1,020 meters, Okawara Plateau remains cool even in summer, making it an ideal summer retreat.