April 12-14, Hiyoshi-taisha Shrine.
One of three major festivals in the lake town. The festival begins with the "Holy Ceremony of the Horse" on April 12th and reaches its climax with the "Yomiya Otoshi" (repeated shaking of portable shrines) on the 13th.
Great Lake Biwa Fireworks Display
August 8, Offshore of Otsu Port
A magnificent spectacle of about 10,000 fireworks illuminating the night sky and the surface of the lake. Fireworks launched from Otsu Port draw spectators into a night of fantastic dreams.
August 17, In the areas of Takebe-taisha Shrine and Karahashi Bridge
One of Otsu's three major festivals, the Senko-sai Festival is a lively festival presented on the water. It is based on the legend of Yamato Takeru no Mikoto. The lanterns of the boats, bonfires on the river bank, and fireworks mark the end of the summer season.
The main event Honmatsuri is the day before Physical Fitness Day (the 2nd Monday in October, a national holiday) and the eve event, Yoimiya, is the day before that. The festival is held in the area around Tenson-jinja Shrine and JR Otsu Station
The festival of Tenson-jinja Shrine, which originated in the early Edo period, is one of the three major festivals of the lake town. The fantastic atmosphere of Yoimiya (the eve night), the 13-float parade on the festival day, Honmatsuri, itself (the day before Physical Fitness Day), and the elaborate clockwork mechanism of the floats are the main attractions of the festival.