Towada Shrine is located in the middle of Lake Towada, Aomori Prefecture. Legend said, in 807, when 1st Shogun Sakanoue no Tamuramaro, moved his army to conquer the north east of Japan, he invited the soul of Yamato Takeru no Mikoto here and enshrines him at this place.
There is also another story that, Priest Nansobo who defeated the dragon of Yarogata, entered into Lake Towada and became the blue dragon.